Home / 15,451.99-23,178.90-4,359.62

Finding the Fourth Proportional to 15,451.99, 23,178.90 and 4,359.62

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Solution

The fourth proportional to 15,451.99, 23,178.90 and 4,359.62 is: 6,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.99 : 23,178.90 = 4,359.62 : x
  2. Step 2: Convert to fraction form
    15,451.99/23,178.90 = 4,359.62/x
  3. Step 3: Cross multiply
    15,451.99x = 23,178.90 × 4,359.62
  4. Step 4: Simplify right side
    15,451.99x = 101,051,196.02
  5. Step 5: Solve for x
    x = 101,051,196.02/15,451.99
  6. Step 6: Final answer
    x = 6,539.69

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Double scale
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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.