Home / 15,749.92-23,630.62-7,320.32

Finding the Fourth Proportional to 15,749.92, 23,630.62 and 7,320.32

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Solution

The fourth proportional to 15,749.92, 23,630.62 and 7,320.32 is: 10,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.92 : 23,630.62 = 7,320.32 : x
  2. Step 2: Convert to fraction form
    15,749.92/23,630.62 = 7,320.32/x
  3. Step 3: Cross multiply
    15,749.92x = 23,630.62 × 7,320.32
  4. Step 4: Simplify right side
    15,749.92x = 172,983,700.20
  5. Step 5: Solve for x
    x = 172,983,700.20/15,749.92
  6. Step 6: Final answer
    x = 10,983.15

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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.