Home / 15,767.52-23,639.44-7,442.76

Finding the Fourth Proportional to 15,767.52, 23,639.44 and 7,442.76

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Solution

The fourth proportional to 15,767.52, 23,639.44 and 7,442.76 is: 11,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.52 : 23,639.44 = 7,442.76 : x
  2. Step 2: Convert to fraction form
    15,767.52/23,639.44 = 7,442.76/x
  3. Step 3: Cross multiply
    15,767.52x = 23,639.44 × 7,442.76
  4. Step 4: Simplify right side
    15,767.52x = 175,942,678.45
  5. Step 5: Solve for x
    x = 175,942,678.45/15,767.52
  6. Step 6: Final answer
    x = 11,158.55

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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.