Home / 25,672.20-35,423.82-15,595.32

Finding the Fourth Proportional to 25,672.20, 35,423.82 and 15,595.32

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Solution

The fourth proportional to 25,672.20, 35,423.82 and 15,595.32 is: 21,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.20 : 35,423.82 = 15,595.32 : x
  2. Step 2: Convert to fraction form
    25,672.20/35,423.82 = 15,595.32/x
  3. Step 3: Cross multiply
    25,672.20x = 35,423.82 × 15,595.32
  4. Step 4: Simplify right side
    25,672.20x = 552,445,808.52
  5. Step 5: Solve for x
    x = 552,445,808.52/25,672.20
  6. Step 6: Final answer
    x = 21,519.22

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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.