Home / 14,543.12-21,809.29-5,180.65

Finding the Fourth Proportional to 14,543.12, 21,809.29 and 5,180.65

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Solution

The fourth proportional to 14,543.12, 21,809.29 and 5,180.65 is: 7,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.12 : 21,809.29 = 5,180.65 : x
  2. Step 2: Convert to fraction form
    14,543.12/21,809.29 = 5,180.65/x
  3. Step 3: Cross multiply
    14,543.12x = 21,809.29 × 5,180.65
  4. Step 4: Simplify right side
    14,543.12x = 112,986,306.67
  5. Step 5: Solve for x
    x = 112,986,306.67/14,543.12
  6. Step 6: Final answer
    x = 7,769.06

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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.