Home / 25,789.08-35,593.74-15,178.20

Finding the Fourth Proportional to 25,789.08, 35,593.74 and 15,178.20

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Solution

The fourth proportional to 25,789.08, 35,593.74 and 15,178.20 is: 20,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.08 : 35,593.74 = 15,178.20 : x
  2. Step 2: Convert to fraction form
    25,789.08/35,593.74 = 15,178.20/x
  3. Step 3: Cross multiply
    25,789.08x = 35,593.74 × 15,178.20
  4. Step 4: Simplify right side
    25,789.08x = 540,248,904.47
  5. Step 5: Solve for x
    x = 540,248,904.47/25,789.08
  6. Step 6: Final answer
    x = 20,948.75

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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.