Home / 14,472.90-21,716.55-8,237.70

Finding the Fourth Proportional to 14,472.90, 21,716.55 and 8,237.70

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Solution

The fourth proportional to 14,472.90, 21,716.55 and 8,237.70 is: 12,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.90 : 21,716.55 = 8,237.70 : x
  2. Step 2: Convert to fraction form
    14,472.90/21,716.55 = 8,237.70/x
  3. Step 3: Cross multiply
    14,472.90x = 21,716.55 × 8,237.70
  4. Step 4: Simplify right side
    14,472.90x = 178,894,423.94
  5. Step 5: Solve for x
    x = 178,894,423.94/14,472.90
  6. Step 6: Final answer
    x = 12,360.65

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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.