Home / 16,187.40-24,278.10-4,498.20

Finding the Fourth Proportional to 16,187.40, 24,278.10 and 4,498.20

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Solution

The fourth proportional to 16,187.40, 24,278.10 and 4,498.20 is: 6,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.40 : 24,278.10 = 4,498.20 : x
  2. Step 2: Convert to fraction form
    16,187.40/24,278.10 = 4,498.20/x
  3. Step 3: Cross multiply
    16,187.40x = 24,278.10 × 4,498.20
  4. Step 4: Simplify right side
    16,187.40x = 109,207,749.42
  5. Step 5: Solve for x
    x = 109,207,749.42/16,187.40
  6. Step 6: Final answer
    x = 6,746.47

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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.