Home / 15,108.42-22,639.55-6,338.55

Finding the Fourth Proportional to 15,108.42, 22,639.55 and 6,338.55

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Solution

The fourth proportional to 15,108.42, 22,639.55 and 6,338.55 is: 9,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.42 : 22,639.55 = 6,338.55 : x
  2. Step 2: Convert to fraction form
    15,108.42/22,639.55 = 6,338.55/x
  3. Step 3: Cross multiply
    15,108.42x = 22,639.55 × 6,338.55
  4. Step 4: Simplify right side
    15,108.42x = 143,502,008.51
  5. Step 5: Solve for x
    x = 143,502,008.51/15,108.42
  6. Step 6: Final answer
    x = 9,498.15

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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.