Home / 15,612.14-23,412.92-5,079.56

Finding the Fourth Proportional to 15,612.14, 23,412.92 and 5,079.56

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Solution

The fourth proportional to 15,612.14, 23,412.92 and 5,079.56 is: 7,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.14 : 23,412.92 = 5,079.56 : x
  2. Step 2: Convert to fraction form
    15,612.14/23,412.92 = 5,079.56/x
  3. Step 3: Cross multiply
    15,612.14x = 23,412.92 × 5,079.56
  4. Step 4: Simplify right side
    15,612.14x = 118,927,331.92
  5. Step 5: Solve for x
    x = 118,927,331.92/15,612.14
  6. Step 6: Final answer
    x = 7,617.62

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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.