Home / 22,247.64-30,689.42-14,280.92

Finding the Fourth Proportional to 22,247.64, 30,689.42 and 14,280.92

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Solution

The fourth proportional to 22,247.64, 30,689.42 and 14,280.92 is: 19,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.64 : 30,689.42 = 14,280.92 : x
  2. Step 2: Convert to fraction form
    22,247.64/30,689.42 = 14,280.92/x
  3. Step 3: Cross multiply
    22,247.64x = 30,689.42 × 14,280.92
  4. Step 4: Simplify right side
    22,247.64x = 438,273,151.87
  5. Step 5: Solve for x
    x = 438,273,151.87/22,247.64
  6. Step 6: Final answer
    x = 19,699.76

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Half scale
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Double scale
Find fourth proportional to 22,248.64, 30,690.80 and 14,281.92
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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.