Home / 23,040.62-31,801.24-15,078.23

Finding the Fourth Proportional to 23,040.62, 31,801.24 and 15,078.23

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Solution

The fourth proportional to 23,040.62, 31,801.24 and 15,078.23 is: 20,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.62 : 31,801.24 = 15,078.23 : x
  2. Step 2: Convert to fraction form
    23,040.62/31,801.24 = 15,078.23/x
  3. Step 3: Cross multiply
    23,040.62x = 31,801.24 × 15,078.23
  4. Step 4: Simplify right side
    23,040.62x = 479,506,411.01
  5. Step 5: Solve for x
    x = 479,506,411.01/23,040.62
  6. Step 6: Final answer
    x = 20,811.35

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Half scale
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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.