Home / 14,170.50-19,555.29-7,882.74

Finding the Fourth Proportional to 14,170.50, 19,555.29 and 7,882.74

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Solution

The fourth proportional to 14,170.50, 19,555.29 and 7,882.74 is: 10,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.50 : 19,555.29 = 7,882.74 : x
  2. Step 2: Convert to fraction form
    14,170.50/19,555.29 = 7,882.74/x
  3. Step 3: Cross multiply
    14,170.50x = 19,555.29 × 7,882.74
  4. Step 4: Simplify right side
    14,170.50x = 154,149,266.69
  5. Step 5: Solve for x
    x = 154,149,266.69/14,170.50
  6. Step 6: Final answer
    x = 10,878.18

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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.