Home / 15,849.04-23,775.76-5,458

Finding the Fourth Proportional to 15,849.04, 23,775.76 and 5,458

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Solution

The fourth proportional to 15,849.04, 23,775.76 and 5,458 is: 8,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.04 : 23,775.76 = 5,458 : x
  2. Step 2: Convert to fraction form
    15,849.04/23,775.76 = 5,458/x
  3. Step 3: Cross multiply
    15,849.04x = 23,775.76 × 5,458
  4. Step 4: Simplify right side
    15,849.04x = 129,768,098.08
  5. Step 5: Solve for x
    x = 129,768,098.08/15,849.04
  6. Step 6: Final answer
    x = 8,187.76

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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.