Home / 15,737.41-21,721.32-9,022.92

Finding the Fourth Proportional to 15,737.41, 21,721.32 and 9,022.92

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Solution

The fourth proportional to 15,737.41, 21,721.32 and 9,022.92 is: 12,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.41 : 21,721.32 = 9,022.92 : x
  2. Step 2: Convert to fraction form
    15,737.41/21,721.32 = 9,022.92/x
  3. Step 3: Cross multiply
    15,737.41x = 21,721.32 × 9,022.92
  4. Step 4: Simplify right side
    15,737.41x = 195,989,624.05
  5. Step 5: Solve for x
    x = 195,989,624.05/15,737.41
  6. Step 6: Final answer
    x = 12,453.74

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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.