Home / 25,789.10-35,586.29-15,178.10

Finding the Fourth Proportional to 25,789.10, 35,586.29 and 15,178.10

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Solution

The fourth proportional to 25,789.10, 35,586.29 and 15,178.10 is: 20,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.10 : 35,586.29 = 15,178.10 : x
  2. Step 2: Convert to fraction form
    25,789.10/35,586.29 = 15,178.10/x
  3. Step 3: Cross multiply
    25,789.10x = 35,586.29 × 15,178.10
  4. Step 4: Simplify right side
    25,789.10x = 540,132,192.36
  5. Step 5: Solve for x
    x = 540,132,192.36/25,789.10
  6. Step 6: Final answer
    x = 20,944.20

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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.