Home / 14,680.10-20,259.53-8,306.69

Finding the Fourth Proportional to 14,680.10, 20,259.53 and 8,306.69

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Solution

The fourth proportional to 14,680.10, 20,259.53 and 8,306.69 is: 11,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.10 : 20,259.53 = 8,306.69 : x
  2. Step 2: Convert to fraction form
    14,680.10/20,259.53 = 8,306.69/x
  3. Step 3: Cross multiply
    14,680.10x = 20,259.53 × 8,306.69
  4. Step 4: Simplify right side
    14,680.10x = 168,289,635.26
  5. Step 5: Solve for x
    x = 168,289,635.26/14,680.10
  6. Step 6: Final answer
    x = 11,463.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.