Home / 23,040.48-31,801.20-13,484.88

Finding the Fourth Proportional to 23,040.48, 31,801.20 and 13,484.88

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Solution

The fourth proportional to 23,040.48, 31,801.20 and 13,484.88 is: 18,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.48 : 31,801.20 = 13,484.88 : x
  2. Step 2: Convert to fraction form
    23,040.48/31,801.20 = 13,484.88/x
  3. Step 3: Cross multiply
    23,040.48x = 31,801.20 × 13,484.88
  4. Step 4: Simplify right side
    23,040.48x = 428,835,365.86
  5. Step 5: Solve for x
    x = 428,835,365.86/23,040.48
  6. Step 6: Final answer
    x = 18,612.26

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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.