Home / 14,248.68-21,351.12-12,061.68

Finding the Fourth Proportional to 14,248.68, 21,351.12 and 12,061.68

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Solution

The fourth proportional to 14,248.68, 21,351.12 and 12,061.68 is: 18,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.68 : 21,351.12 = 12,061.68 : x
  2. Step 2: Convert to fraction form
    14,248.68/21,351.12 = 12,061.68/x
  3. Step 3: Cross multiply
    14,248.68x = 21,351.12 × 12,061.68
  4. Step 4: Simplify right side
    14,248.68x = 257,530,377.08
  5. Step 5: Solve for x
    x = 257,530,377.08/14,248.68
  6. Step 6: Final answer
    x = 18,073.98

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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.