Home / 22,124.12-30,501.41-21,436.16

Finding the Fourth Proportional to 22,124.12, 30,501.41 and 21,436.16

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Solution

The fourth proportional to 22,124.12, 30,501.41 and 21,436.16 is: 29,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.12 : 30,501.41 = 21,436.16 : x
  2. Step 2: Convert to fraction form
    22,124.12/30,501.41 = 21,436.16/x
  3. Step 3: Cross multiply
    22,124.12x = 30,501.41 × 21,436.16
  4. Step 4: Simplify right side
    22,124.12x = 653,832,845.30
  5. Step 5: Solve for x
    x = 653,832,845.30/22,124.12
  6. Step 6: Final answer
    x = 29,552.95

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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.