Home / 13,760.12-20,641.62-4,526.12

Finding the Fourth Proportional to 13,760.12, 20,641.62 and 4,526.12

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Solution

The fourth proportional to 13,760.12, 20,641.62 and 4,526.12 is: 6,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.12 : 20,641.62 = 4,526.12 : x
  2. Step 2: Convert to fraction form
    13,760.12/20,641.62 = 4,526.12/x
  3. Step 3: Cross multiply
    13,760.12x = 20,641.62 × 4,526.12
  4. Step 4: Simplify right side
    13,760.12x = 93,426,449.11
  5. Step 5: Solve for x
    x = 93,426,449.11/13,760.12
  6. Step 6: Final answer
    x = 6,789.65

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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.