Home / 27,950.92-38,543.70-18,516.04

Finding the Fourth Proportional to 27,950.92, 38,543.70 and 18,516.04

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Solution

The fourth proportional to 27,950.92, 38,543.70 and 18,516.04 is: 25,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.92 : 38,543.70 = 18,516.04 : x
  2. Step 2: Convert to fraction form
    27,950.92/38,543.70 = 18,516.04/x
  3. Step 3: Cross multiply
    27,950.92x = 38,543.70 × 18,516.04
  4. Step 4: Simplify right side
    27,950.92x = 713,676,690.95
  5. Step 5: Solve for x
    x = 713,676,690.95/27,950.92
  6. Step 6: Final answer
    x = 25,533.21

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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.