Home / 14,191.19-21,299.91-7,176.18

Finding the Fourth Proportional to 14,191.19, 21,299.91 and 7,176.18

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Solution

The fourth proportional to 14,191.19, 21,299.91 and 7,176.18 is: 10,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.19 : 21,299.91 = 7,176.18 : x
  2. Step 2: Convert to fraction form
    14,191.19/21,299.91 = 7,176.18/x
  3. Step 3: Cross multiply
    14,191.19x = 21,299.91 × 7,176.18
  4. Step 4: Simplify right side
    14,191.19x = 152,851,988.14
  5. Step 5: Solve for x
    x = 152,851,988.14/14,191.19
  6. Step 6: Final answer
    x = 10,770.91

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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.