Home / 22,487.24-31,032.19-12,415.46

Finding the Fourth Proportional to 22,487.24, 31,032.19 and 12,415.46

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Solution

The fourth proportional to 22,487.24, 31,032.19 and 12,415.46 is: 17,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.24 : 31,032.19 = 12,415.46 : x
  2. Step 2: Convert to fraction form
    22,487.24/31,032.19 = 12,415.46/x
  3. Step 3: Cross multiply
    22,487.24x = 31,032.19 × 12,415.46
  4. Step 4: Simplify right side
    22,487.24x = 385,279,044.57
  5. Step 5: Solve for x
    x = 385,279,044.57/22,487.24
  6. Step 6: Final answer
    x = 17,133.23

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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.