Home / 15,687.65-23,534.99-5,299.13

Finding the Fourth Proportional to 15,687.65, 23,534.99 and 5,299.13

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Solution

The fourth proportional to 15,687.65, 23,534.99 and 5,299.13 is: 7,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.65 : 23,534.99 = 5,299.13 : x
  2. Step 2: Convert to fraction form
    15,687.65/23,534.99 = 5,299.13/x
  3. Step 3: Cross multiply
    15,687.65x = 23,534.99 × 5,299.13
  4. Step 4: Simplify right side
    15,687.65x = 124,714,827.39
  5. Step 5: Solve for x
    x = 124,714,827.39/15,687.65
  6. Step 6: Final answer
    x = 7,949.88

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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.