Home / 22,565.48-31,117.34-18,730.94

Finding the Fourth Proportional to 22,565.48, 31,117.34 and 18,730.94

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Solution

The fourth proportional to 22,565.48, 31,117.34 and 18,730.94 is: 25,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.48 : 31,117.34 = 18,730.94 : x
  2. Step 2: Convert to fraction form
    22,565.48/31,117.34 = 18,730.94/x
  3. Step 3: Cross multiply
    22,565.48x = 31,117.34 × 18,730.94
  4. Step 4: Simplify right side
    22,565.48x = 582,857,028.50
  5. Step 5: Solve for x
    x = 582,857,028.50/22,565.48
  6. Step 6: Final answer
    x = 25,829.59

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Double 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.