Home / 22,280.02-30,718.11-15,914.23

Finding the Fourth Proportional to 22,280.02, 30,718.11 and 15,914.23

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Solution

The fourth proportional to 22,280.02, 30,718.11 and 15,914.23 is: 21,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.02 : 30,718.11 = 15,914.23 : x
  2. Step 2: Convert to fraction form
    22,280.02/30,718.11 = 15,914.23/x
  3. Step 3: Cross multiply
    22,280.02x = 30,718.11 × 15,914.23
  4. Step 4: Simplify right side
    22,280.02x = 488,855,067.71
  5. Step 5: Solve for x
    x = 488,855,067.71/22,280.02
  6. Step 6: Final answer
    x = 21,941.41

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Half scale
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Double scale
Find fourth proportional to 22,281.02, 30,719.49 and 15,915.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.