Home / 23,082.91-31,849.27-14,129.71

Finding the Fourth Proportional to 23,082.91, 31,849.27 and 14,129.71

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Solution

The fourth proportional to 23,082.91, 31,849.27 and 14,129.71 is: 19,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.91 : 31,849.27 = 14,129.71 : x
  2. Step 2: Convert to fraction form
    23,082.91/31,849.27 = 14,129.71/x
  3. Step 3: Cross multiply
    23,082.91x = 31,849.27 × 14,129.71
  4. Step 4: Simplify right side
    23,082.91x = 450,020,948.81
  5. Step 5: Solve for x
    x = 450,020,948.81/23,082.91
  6. Step 6: Final answer
    x = 19,495.85

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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.