Home / 22,487.03-31,032.22-12,415.29

Finding the Fourth Proportional to 22,487.03, 31,032.22 and 12,415.29

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Solution

The fourth proportional to 22,487.03, 31,032.22 and 12,415.29 is: 17,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.03 : 31,032.22 = 12,415.29 : x
  2. Step 2: Convert to fraction form
    22,487.03/31,032.22 = 12,415.29/x
  3. Step 3: Cross multiply
    22,487.03x = 31,032.22 × 12,415.29
  4. Step 4: Simplify right side
    22,487.03x = 385,273,793.41
  5. Step 5: Solve for x
    x = 385,273,793.41/22,487.03
  6. Step 6: Final answer
    x = 17,133.16

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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.