Home / 22,562.13-31,135.99-12,490.74

Finding the Fourth Proportional to 22,562.13, 31,135.99 and 12,490.74

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Solution

The fourth proportional to 22,562.13, 31,135.99 and 12,490.74 is: 17,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.13 : 31,135.99 = 12,490.74 : x
  2. Step 2: Convert to fraction form
    22,562.13/31,135.99 = 12,490.74/x
  3. Step 3: Cross multiply
    22,562.13x = 31,135.99 × 12,490.74
  4. Step 4: Simplify right side
    22,562.13x = 388,911,571.98
  5. Step 5: Solve for x
    x = 388,911,571.98/22,562.13
  6. Step 6: Final answer
    x = 17,237.36

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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.