Home / 14,924.30-20,595.20-8,209.78

Finding the Fourth Proportional to 14,924.30, 20,595.20 and 8,209.78

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Solution

The fourth proportional to 14,924.30, 20,595.20 and 8,209.78 is: 11,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,924.30 : 20,595.20 = 8,209.78 : x
  2. Step 2: Convert to fraction form
    14,924.30/20,595.20 = 8,209.78/x
  3. Step 3: Cross multiply
    14,924.30x = 20,595.20 × 8,209.78
  4. Step 4: Simplify right side
    14,924.30x = 169,082,061.06
  5. Step 5: Solve for x
    x = 169,082,061.06/14,924.30
  6. Step 6: Final answer
    x = 11,329.31

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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.