Home / 25,100.28-34,638.21-13,769.46

Finding the Fourth Proportional to 25,100.28, 34,638.21 and 13,769.46

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Solution

The fourth proportional to 25,100.28, 34,638.21 and 13,769.46 is: 19,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.28 : 34,638.21 = 13,769.46 : x
  2. Step 2: Convert to fraction form
    25,100.28/34,638.21 = 13,769.46/x
  3. Step 3: Cross multiply
    25,100.28x = 34,638.21 × 13,769.46
  4. Step 4: Simplify right side
    25,100.28x = 476,949,447.07
  5. Step 5: Solve for x
    x = 476,949,447.07/25,100.28
  6. Step 6: Final answer
    x = 19,001.76

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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.