Home / 25,483.11-38,216.88-12,149.08

Finding the Fourth Proportional to 25,483.11, 38,216.88 and 12,149.08

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Solution

The fourth proportional to 25,483.11, 38,216.88 and 12,149.08 is: 18,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483.11 : 38,216.88 = 12,149.08 : x
  2. Step 2: Convert to fraction form
    25,483.11/38,216.88 = 12,149.08/x
  3. Step 3: Cross multiply
    25,483.11x = 38,216.88 × 12,149.08
  4. Step 4: Simplify right side
    25,483.11x = 464,299,932.47
  5. Step 5: Solve for x
    x = 464,299,932.47/25,483.11
  6. Step 6: Final answer
    x = 18,219.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.