Home / 26,491.16-39,743.12-9,851.72

Finding the Fourth Proportional to 26,491.16, 39,743.12 and 9,851.72

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Solution

The fourth proportional to 26,491.16, 39,743.12 and 9,851.72 is: 14,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.16 : 39,743.12 = 9,851.72 : x
  2. Step 2: Convert to fraction form
    26,491.16/39,743.12 = 9,851.72/x
  3. Step 3: Cross multiply
    26,491.16x = 39,743.12 × 9,851.72
  4. Step 4: Simplify right side
    26,491.16x = 391,538,090.17
  5. Step 5: Solve for x
    x = 391,538,090.17/26,491.16
  6. Step 6: Final answer
    x = 14,779.95

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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.