Home / 26,642.31-39,962.51-6,651.91

Finding the Fourth Proportional to 26,642.31, 39,962.51 and 6,651.91

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Solution

The fourth proportional to 26,642.31, 39,962.51 and 6,651.91 is: 9,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.31 : 39,962.51 = 6,651.91 : x
  2. Step 2: Convert to fraction form
    26,642.31/39,962.51 = 6,651.91/x
  3. Step 3: Cross multiply
    26,642.31x = 39,962.51 × 6,651.91
  4. Step 4: Simplify right side
    26,642.31x = 265,827,036.52
  5. Step 5: Solve for x
    x = 265,827,036.52/26,642.31
  6. Step 6: Final answer
    x = 9,977.63

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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.