Home / 22,052.16-30,432-12,116.16

Finding the Fourth Proportional to 22,052.16, 30,432 and 12,116.16

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Solution

The fourth proportional to 22,052.16, 30,432 and 12,116.16 is: 16,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.16 : 30,432 = 12,116.16 : x
  2. Step 2: Convert to fraction form
    22,052.16/30,432 = 12,116.16/x
  3. Step 3: Cross multiply
    22,052.16x = 30,432 × 12,116.16
  4. Step 4: Simplify right side
    22,052.16x = 368,718,981.12
  5. Step 5: Solve for x
    x = 368,718,981.12/22,052.16
  6. Step 6: Final answer
    x = 16,720.31

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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.