Home / 14,919.90-22,379.84-5,559.76

Finding the Fourth Proportional to 14,919.90, 22,379.84 and 5,559.76

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Solution

The fourth proportional to 14,919.90, 22,379.84 and 5,559.76 is: 8,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.90 : 22,379.84 = 5,559.76 : x
  2. Step 2: Convert to fraction form
    14,919.90/22,379.84 = 5,559.76/x
  3. Step 3: Cross multiply
    14,919.90x = 22,379.84 × 5,559.76
  4. Step 4: Simplify right side
    14,919.90x = 124,426,654.48
  5. Step 5: Solve for x
    x = 124,426,654.48/14,919.90
  6. Step 6: Final answer
    x = 8,339.65

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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.