Home / 22,762.13-31,412.29-12,553.31

Finding the Fourth Proportional to 22,762.13, 31,412.29 and 12,553.31

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Solution

The fourth proportional to 22,762.13, 31,412.29 and 12,553.31 is: 17,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.13 : 31,412.29 = 12,553.31 : x
  2. Step 2: Convert to fraction form
    22,762.13/31,412.29 = 12,553.31/x
  3. Step 3: Cross multiply
    22,762.13x = 31,412.29 × 12,553.31
  4. Step 4: Simplify right side
    22,762.13x = 394,328,216.23
  5. Step 5: Solve for x
    x = 394,328,216.23/22,762.13
  6. Step 6: Final answer
    x = 17,323.87

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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.