Home / 16,709.40-25,036.76-10,115.60

Finding the Fourth Proportional to 16,709.40, 25,036.76 and 10,115.60

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Solution

The fourth proportional to 16,709.40, 25,036.76 and 10,115.60 is: 15,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.40 : 25,036.76 = 10,115.60 : x
  2. Step 2: Convert to fraction form
    16,709.40/25,036.76 = 10,115.60/x
  3. Step 3: Cross multiply
    16,709.40x = 25,036.76 × 10,115.60
  4. Step 4: Simplify right side
    16,709.40x = 253,261,798.88
  5. Step 5: Solve for x
    x = 253,261,798.88/16,709.40
  6. Step 6: Final answer
    x = 15,156.85

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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.