Home / 25,316.64-37,979.76-10,517.52

Finding the Fourth Proportional to 25,316.64, 37,979.76 and 10,517.52

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Solution

The fourth proportional to 25,316.64, 37,979.76 and 10,517.52 is: 15,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.64 : 37,979.76 = 10,517.52 : x
  2. Step 2: Convert to fraction form
    25,316.64/37,979.76 = 10,517.52/x
  3. Step 3: Cross multiply
    25,316.64x = 37,979.76 × 10,517.52
  4. Step 4: Simplify right side
    25,316.64x = 399,452,885.40
  5. Step 5: Solve for x
    x = 399,452,885.40/25,316.64
  6. Step 6: Final answer
    x = 15,778.27

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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.