Home / 16,291.76-24,437.84-5,198.40

Finding the Fourth Proportional to 16,291.76, 24,437.84 and 5,198.40

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Solution

The fourth proportional to 16,291.76, 24,437.84 and 5,198.40 is: 7,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.76 : 24,437.84 = 5,198.40 : x
  2. Step 2: Convert to fraction form
    16,291.76/24,437.84 = 5,198.40/x
  3. Step 3: Cross multiply
    16,291.76x = 24,437.84 × 5,198.40
  4. Step 4: Simplify right side
    16,291.76x = 127,037,641.46
  5. Step 5: Solve for x
    x = 127,037,641.46/16,291.76
  6. Step 6: Final answer
    x = 7,797.66

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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.