Home / 29,121.33-43,656.15-11,347.86

Finding the Fourth Proportional to 29,121.33, 43,656.15 and 11,347.86

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Solution

The fourth proportional to 29,121.33, 43,656.15 and 11,347.86 is: 17,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.33 : 43,656.15 = 11,347.86 : x
  2. Step 2: Convert to fraction form
    29,121.33/43,656.15 = 11,347.86/x
  3. Step 3: Cross multiply
    29,121.33x = 43,656.15 × 11,347.86
  4. Step 4: Simplify right side
    29,121.33x = 495,403,878.34
  5. Step 5: Solve for x
    x = 495,403,878.34/29,121.33
  6. Step 6: Final answer
    x = 17,011.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.