Home / 22,658.27-31,267.54-12,587.34

Finding the Fourth Proportional to 22,658.27, 31,267.54 and 12,587.34

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Solution

The fourth proportional to 22,658.27, 31,267.54 and 12,587.34 is: 17,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.27 : 31,267.54 = 12,587.34 : x
  2. Step 2: Convert to fraction form
    22,658.27/31,267.54 = 12,587.34/x
  3. Step 3: Cross multiply
    22,658.27x = 31,267.54 × 12,587.34
  4. Step 4: Simplify right side
    22,658.27x = 393,575,125.48
  5. Step 5: Solve for x
    x = 393,575,125.48/22,658.27
  6. Step 6: Final answer
    x = 17,370.05

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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.