Home / 26,458.90-39,700.50-11,470.59

Finding the Fourth Proportional to 26,458.90, 39,700.50 and 11,470.59

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Solution

The fourth proportional to 26,458.90, 39,700.50 and 11,470.59 is: 17,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.90 : 39,700.50 = 11,470.59 : x
  2. Step 2: Convert to fraction form
    26,458.90/39,700.50 = 11,470.59/x
  3. Step 3: Cross multiply
    26,458.90x = 39,700.50 × 11,470.59
  4. Step 4: Simplify right side
    26,458.90x = 455,388,158.30
  5. Step 5: Solve for x
    x = 455,388,158.30/26,458.90
  6. Step 6: Final answer
    x = 17,211.15

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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.