Home / 25,371.28-35,009.44-14,617.72

Finding the Fourth Proportional to 25,371.28, 35,009.44 and 14,617.72

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Solution

The fourth proportional to 25,371.28, 35,009.44 and 14,617.72 is: 20,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.28 : 35,009.44 = 14,617.72 : x
  2. Step 2: Convert to fraction form
    25,371.28/35,009.44 = 14,617.72/x
  3. Step 3: Cross multiply
    25,371.28x = 35,009.44 × 14,617.72
  4. Step 4: Simplify right side
    25,371.28x = 511,758,191.28
  5. Step 5: Solve for x
    x = 511,758,191.28/25,371.28
  6. Step 6: Final answer
    x = 20,170.77

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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.