Home / 25,728.24-35,505.36-14,398.32

Finding the Fourth Proportional to 25,728.24, 35,505.36 and 14,398.32

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Solution

The fourth proportional to 25,728.24, 35,505.36 and 14,398.32 is: 19,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.24 : 35,505.36 = 14,398.32 : x
  2. Step 2: Convert to fraction form
    25,728.24/35,505.36 = 14,398.32/x
  3. Step 3: Cross multiply
    25,728.24x = 35,505.36 × 14,398.32
  4. Step 4: Simplify right side
    25,728.24x = 511,217,535.00
  5. Step 5: Solve for x
    x = 511,217,535.00/25,728.24
  6. Step 6: Final answer
    x = 19,869.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.