Home / 12,951.60-19,423.28-4,184.44

Finding the Fourth Proportional to 12,951.60, 19,423.28 and 4,184.44

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Solution

The fourth proportional to 12,951.60, 19,423.28 and 4,184.44 is: 6,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.60 : 19,423.28 = 4,184.44 : x
  2. Step 2: Convert to fraction form
    12,951.60/19,423.28 = 4,184.44/x
  3. Step 3: Cross multiply
    12,951.60x = 19,423.28 × 4,184.44
  4. Step 4: Simplify right side
    12,951.60x = 81,275,549.76
  5. Step 5: Solve for x
    x = 81,275,549.76/12,951.60
  6. Step 6: Final answer
    x = 6,275.33

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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.