Home / 22,587.42-31,169.34-12,515.26

Finding the Fourth Proportional to 22,587.42, 31,169.34 and 12,515.26

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Solution

The fourth proportional to 22,587.42, 31,169.34 and 12,515.26 is: 17,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.42 : 31,169.34 = 12,515.26 : x
  2. Step 2: Convert to fraction form
    22,587.42/31,169.34 = 12,515.26/x
  3. Step 3: Cross multiply
    22,587.42x = 31,169.34 × 12,515.26
  4. Step 4: Simplify right side
    22,587.42x = 390,092,394.13
  5. Step 5: Solve for x
    x = 390,092,394.13/22,587.42
  6. Step 6: Final answer
    x = 17,270.34

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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.