Home / 20,049.08-30,083.96-14,547.78

Finding the Fourth Proportional to 20,049.08, 30,083.96 and 14,547.78

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Solution

The fourth proportional to 20,049.08, 30,083.96 and 14,547.78 is: 21,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.08 : 30,083.96 = 14,547.78 : x
  2. Step 2: Convert to fraction form
    20,049.08/30,083.96 = 14,547.78/x
  3. Step 3: Cross multiply
    20,049.08x = 30,083.96 × 14,547.78
  4. Step 4: Simplify right side
    20,049.08x = 437,654,867.98
  5. Step 5: Solve for x
    x = 437,654,867.98/20,049.08
  6. Step 6: Final answer
    x = 21,829.18

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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.