Home / 22,934.72-31,649.40-12,725.76

Finding the Fourth Proportional to 22,934.72, 31,649.40 and 12,725.76

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Solution

The fourth proportional to 22,934.72, 31,649.40 and 12,725.76 is: 17,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,934.72 : 31,649.40 = 12,725.76 : x
  2. Step 2: Convert to fraction form
    22,934.72/31,649.40 = 12,725.76/x
  3. Step 3: Cross multiply
    22,934.72x = 31,649.40 × 12,725.76
  4. Step 4: Simplify right side
    22,934.72x = 402,762,668.54
  5. Step 5: Solve for x
    x = 402,762,668.54/22,934.72
  6. Step 6: Final answer
    x = 17,561.26

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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.