Home / 25,769.81-35,561.60-15,017.06

Finding the Fourth Proportional to 25,769.81, 35,561.60 and 15,017.06

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Solution

The fourth proportional to 25,769.81, 35,561.60 and 15,017.06 is: 20,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.81 : 35,561.60 = 15,017.06 : x
  2. Step 2: Convert to fraction form
    25,769.81/35,561.60 = 15,017.06/x
  3. Step 3: Cross multiply
    25,769.81x = 35,561.60 × 15,017.06
  4. Step 4: Simplify right side
    25,769.81x = 534,030,680.90
  5. Step 5: Solve for x
    x = 534,030,680.90/25,769.81
  6. Step 6: Final answer
    x = 20,723.11

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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.