Home / 14,742.65-20,344.45-8,028.13

Finding the Fourth Proportional to 14,742.65, 20,344.45 and 8,028.13

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Solution

The fourth proportional to 14,742.65, 20,344.45 and 8,028.13 is: 11,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.65 : 20,344.45 = 8,028.13 : x
  2. Step 2: Convert to fraction form
    14,742.65/20,344.45 = 8,028.13/x
  3. Step 3: Cross multiply
    14,742.65x = 20,344.45 × 8,028.13
  4. Step 4: Simplify right side
    14,742.65x = 163,327,889.38
  5. Step 5: Solve for x
    x = 163,327,889.38/14,742.65
  6. Step 6: Final answer
    x = 11,078.60

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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.