Home / 15,437.78-23,159.88-6,203.78

Finding the Fourth Proportional to 15,437.78, 23,159.88 and 6,203.78

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Solution

The fourth proportional to 15,437.78, 23,159.88 and 6,203.78 is: 9,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.78 : 23,159.88 = 6,203.78 : x
  2. Step 2: Convert to fraction form
    15,437.78/23,159.88 = 6,203.78/x
  3. Step 3: Cross multiply
    15,437.78x = 23,159.88 × 6,203.78
  4. Step 4: Simplify right side
    15,437.78x = 143,678,800.35
  5. Step 5: Solve for x
    x = 143,678,800.35/15,437.78
  6. Step 6: Final answer
    x = 9,306.96

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1.5x scale

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.