Home / 15,728.42-23,585.36-5,865.06

Finding the Fourth Proportional to 15,728.42, 23,585.36 and 5,865.06

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Solution

The fourth proportional to 15,728.42, 23,585.36 and 5,865.06 is: 8,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.42 : 23,585.36 = 5,865.06 : x
  2. Step 2: Convert to fraction form
    15,728.42/23,585.36 = 5,865.06/x
  3. Step 3: Cross multiply
    15,728.42x = 23,585.36 × 5,865.06
  4. Step 4: Simplify right side
    15,728.42x = 138,329,551.52
  5. Step 5: Solve for x
    x = 138,329,551.52/15,728.42
  6. Step 6: Final answer
    x = 8,794.88

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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.