Home / 15,987.96-23,983.38-4,300.92

Finding the Fourth Proportional to 15,987.96, 23,983.38 and 4,300.92

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Solution

The fourth proportional to 15,987.96, 23,983.38 and 4,300.92 is: 6,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.96 : 23,983.38 = 4,300.92 : x
  2. Step 2: Convert to fraction form
    15,987.96/23,983.38 = 4,300.92/x
  3. Step 3: Cross multiply
    15,987.96x = 23,983.38 × 4,300.92
  4. Step 4: Simplify right side
    15,987.96x = 103,150,598.71
  5. Step 5: Solve for x
    x = 103,150,598.71/15,987.96
  6. Step 6: Final answer
    x = 6,451.77

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Similar ratio
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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.