Home / 15,737.22-21,717.42-9,022.98

Finding the Fourth Proportional to 15,737.22, 21,717.42 and 9,022.98

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Solution

The fourth proportional to 15,737.22, 21,717.42 and 9,022.98 is: 12,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.22 : 21,717.42 = 9,022.98 : x
  2. Step 2: Convert to fraction form
    15,737.22/21,717.42 = 9,022.98/x
  3. Step 3: Cross multiply
    15,737.22x = 21,717.42 × 9,022.98
  4. Step 4: Simplify right side
    15,737.22x = 195,955,846.31
  5. Step 5: Solve for x
    x = 195,955,846.31/15,737.22
  6. Step 6: Final answer
    x = 12,451.74

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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.