Home / 15,086.81-22,631.76-5,226.08

Finding the Fourth Proportional to 15,086.81, 22,631.76 and 5,226.08

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Solution

The fourth proportional to 15,086.81, 22,631.76 and 5,226.08 is: 7,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.81 : 22,631.76 = 5,226.08 : x
  2. Step 2: Convert to fraction form
    15,086.81/22,631.76 = 5,226.08/x
  3. Step 3: Cross multiply
    15,086.81x = 22,631.76 × 5,226.08
  4. Step 4: Simplify right side
    15,086.81x = 118,275,275.14
  5. Step 5: Solve for x
    x = 118,275,275.14/15,086.81
  6. Step 6: Final answer
    x = 7,839.65

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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.