Home / 14,948.96-20,629-8,983.92

Finding the Fourth Proportional to 14,948.96, 20,629 and 8,983.92

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Solution

The fourth proportional to 14,948.96, 20,629 and 8,983.92 is: 12,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.96 : 20,629 = 8,983.92 : x
  2. Step 2: Convert to fraction form
    14,948.96/20,629 = 8,983.92/x
  3. Step 3: Cross multiply
    14,948.96x = 20,629 × 8,983.92
  4. Step 4: Simplify right side
    14,948.96x = 185,329,285.68
  5. Step 5: Solve for x
    x = 185,329,285.68/14,948.96
  6. Step 6: Final answer
    x = 12,397.47

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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.