Home / 19,013.28-28,523.70-5,865.06

Finding the Fourth Proportional to 19,013.28, 28,523.70 and 5,865.06

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Solution

The fourth proportional to 19,013.28, 28,523.70 and 5,865.06 is: 8,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.28 : 28,523.70 = 5,865.06 : x
  2. Step 2: Convert to fraction form
    19,013.28/28,523.70 = 5,865.06/x
  3. Step 3: Cross multiply
    19,013.28x = 28,523.70 × 5,865.06
  4. Step 4: Simplify right side
    19,013.28x = 167,293,211.92
  5. Step 5: Solve for x
    x = 167,293,211.92/19,013.28
  6. Step 6: Final answer
    x = 8,798.76

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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.