Home / 19,060.13-28,590.78-5,912.57

Finding the Fourth Proportional to 19,060.13, 28,590.78 and 5,912.57

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Solution

The fourth proportional to 19,060.13, 28,590.78 and 5,912.57 is: 8,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.13 : 28,590.78 = 5,912.57 : x
  2. Step 2: Convert to fraction form
    19,060.13/28,590.78 = 5,912.57/x
  3. Step 3: Cross multiply
    19,060.13x = 28,590.78 × 5,912.57
  4. Step 4: Simplify right side
    19,060.13x = 169,044,988.10
  5. Step 5: Solve for x
    x = 169,044,988.10/19,060.13
  6. Step 6: Final answer
    x = 8,869.04

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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.