Home / 22,725.19-31,363.19-13,301.65

Finding the Fourth Proportional to 22,725.19, 31,363.19 and 13,301.65

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Solution

The fourth proportional to 22,725.19, 31,363.19 and 13,301.65 is: 18,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.19 : 31,363.19 = 13,301.65 : x
  2. Step 2: Convert to fraction form
    22,725.19/31,363.19 = 13,301.65/x
  3. Step 3: Cross multiply
    22,725.19x = 31,363.19 × 13,301.65
  4. Step 4: Simplify right side
    22,725.19x = 417,182,131.11
  5. Step 5: Solve for x
    x = 417,182,131.11/22,725.19
  6. Step 6: Final answer
    x = 18,357.70

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Half scale
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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.