Home / 25,115.60-37,650.36-9,316.64

Finding the Fourth Proportional to 25,115.60, 37,650.36 and 9,316.64

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Solution

The fourth proportional to 25,115.60, 37,650.36 and 9,316.64 is: 13,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.60 : 37,650.36 = 9,316.64 : x
  2. Step 2: Convert to fraction form
    25,115.60/37,650.36 = 9,316.64/x
  3. Step 3: Cross multiply
    25,115.60x = 37,650.36 × 9,316.64
  4. Step 4: Simplify right side
    25,115.60x = 350,774,849.99
  5. Step 5: Solve for x
    x = 350,774,849.99/25,115.60
  6. Step 6: Final answer
    x = 13,966.41

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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.