Home / 22,368.02-30,867.93-12,808.06

Finding the Fourth Proportional to 22,368.02, 30,867.93 and 12,808.06

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Solution

The fourth proportional to 22,368.02, 30,867.93 and 12,808.06 is: 17,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.02 : 30,867.93 = 12,808.06 : x
  2. Step 2: Convert to fraction form
    22,368.02/30,867.93 = 12,808.06/x
  3. Step 3: Cross multiply
    22,368.02x = 30,867.93 × 12,808.06
  4. Step 4: Simplify right side
    22,368.02x = 395,358,299.52
  5. Step 5: Solve for x
    x = 395,358,299.52/22,368.02
  6. Step 6: Final answer
    x = 17,675.16

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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.