Home / 22,463.15-30,998.16-13,515.48

Finding the Fourth Proportional to 22,463.15, 30,998.16 and 13,515.48

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Solution

The fourth proportional to 22,463.15, 30,998.16 and 13,515.48 is: 18,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.15 : 30,998.16 = 13,515.48 : x
  2. Step 2: Convert to fraction form
    22,463.15/30,998.16 = 13,515.48/x
  3. Step 3: Cross multiply
    22,463.15x = 30,998.16 × 13,515.48
  4. Step 4: Simplify right side
    22,463.15x = 418,955,011.52
  5. Step 5: Solve for x
    x = 418,955,011.52/22,463.15
  6. Step 6: Final answer
    x = 18,650.77

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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.