Home / 19,378.34-29,061.55-6,227.18

Finding the Fourth Proportional to 19,378.34, 29,061.55 and 6,227.18

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Solution

The fourth proportional to 19,378.34, 29,061.55 and 6,227.18 is: 9,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.34 : 29,061.55 = 6,227.18 : x
  2. Step 2: Convert to fraction form
    19,378.34/29,061.55 = 6,227.18/x
  3. Step 3: Cross multiply
    19,378.34x = 29,061.55 × 6,227.18
  4. Step 4: Simplify right side
    19,378.34x = 180,971,502.93
  5. Step 5: Solve for x
    x = 180,971,502.93/19,378.34
  6. Step 6: Final answer
    x = 9,338.85

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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.