Home / 16,181.13-24,275.61-8,280.39

Finding the Fourth Proportional to 16,181.13, 24,275.61 and 8,280.39

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Solution

The fourth proportional to 16,181.13, 24,275.61 and 8,280.39 is: 12,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.13 : 24,275.61 = 8,280.39 : x
  2. Step 2: Convert to fraction form
    16,181.13/24,275.61 = 8,280.39/x
  3. Step 3: Cross multiply
    16,181.13x = 24,275.61 × 8,280.39
  4. Step 4: Simplify right side
    16,181.13x = 201,011,518.29
  5. Step 5: Solve for x
    x = 201,011,518.29/16,181.13
  6. Step 6: Final answer
    x = 12,422.59

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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.