Home / 14,151.38-21,230.68-6,653.48

Finding the Fourth Proportional to 14,151.38, 21,230.68 and 6,653.48

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Solution

The fourth proportional to 14,151.38, 21,230.68 and 6,653.48 is: 9,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.38 : 21,230.68 = 6,653.48 : x
  2. Step 2: Convert to fraction form
    14,151.38/21,230.68 = 6,653.48/x
  3. Step 3: Cross multiply
    14,151.38x = 21,230.68 × 6,653.48
  4. Step 4: Simplify right side
    14,151.38x = 141,257,904.77
  5. Step 5: Solve for x
    x = 141,257,904.77/14,151.38
  6. Step 6: Final answer
    x = 9,981.92

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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.