Home / 25,769.19-35,561.56-15,020.42

Finding the Fourth Proportional to 25,769.19, 35,561.56 and 15,020.42

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Solution

The fourth proportional to 25,769.19, 35,561.56 and 15,020.42 is: 20,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.19 : 35,561.56 = 15,020.42 : x
  2. Step 2: Convert to fraction form
    25,769.19/35,561.56 = 15,020.42/x
  3. Step 3: Cross multiply
    25,769.19x = 35,561.56 × 15,020.42
  4. Step 4: Simplify right side
    25,769.19x = 534,149,567.06
  5. Step 5: Solve for x
    x = 534,149,567.06/25,769.19
  6. Step 6: Final answer
    x = 20,728.22

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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.