Home / 29,302.62-40,437.80-15,873.86

Finding the Fourth Proportional to 29,302.62, 40,437.80 and 15,873.86

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Solution

The fourth proportional to 29,302.62, 40,437.80 and 15,873.86 is: 21,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.62 : 40,437.80 = 15,873.86 : x
  2. Step 2: Convert to fraction form
    29,302.62/40,437.80 = 15,873.86/x
  3. Step 3: Cross multiply
    29,302.62x = 40,437.80 × 15,873.86
  4. Step 4: Simplify right side
    29,302.62x = 641,903,829.70
  5. Step 5: Solve for x
    x = 641,903,829.70/29,302.62
  6. Step 6: Final answer
    x = 21,906.02

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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.