Home / 25,769.70-35,570.07-15,017.76

Finding the Fourth Proportional to 25,769.70, 35,570.07 and 15,017.76

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Solution

The fourth proportional to 25,769.70, 35,570.07 and 15,017.76 is: 20,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.70 : 35,570.07 = 15,017.76 : x
  2. Step 2: Convert to fraction form
    25,769.70/35,570.07 = 15,017.76/x
  3. Step 3: Cross multiply
    25,769.70x = 35,570.07 × 15,017.76
  4. Step 4: Simplify right side
    25,769.70x = 534,182,774.44
  5. Step 5: Solve for x
    x = 534,182,774.44/25,769.70
  6. Step 6: Final answer
    x = 20,729.10

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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.