Home / 22,637.75-31,239.95-12,567.56

Finding the Fourth Proportional to 22,637.75, 31,239.95 and 12,567.56

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Solution

The fourth proportional to 22,637.75, 31,239.95 and 12,567.56 is: 17,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.75 : 31,239.95 = 12,567.56 : x
  2. Step 2: Convert to fraction form
    22,637.75/31,239.95 = 12,567.56/x
  3. Step 3: Cross multiply
    22,637.75x = 31,239.95 × 12,567.56
  4. Step 4: Simplify right side
    22,637.75x = 392,609,726.98
  5. Step 5: Solve for x
    x = 392,609,726.98/22,637.75
  6. Step 6: Final answer
    x = 17,343.15

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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.