Home / 19,234.29-28,855.16-7,387.19

Finding the Fourth Proportional to 19,234.29, 28,855.16 and 7,387.19

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Solution

The fourth proportional to 19,234.29, 28,855.16 and 7,387.19 is: 11,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.29 : 28,855.16 = 7,387.19 : x
  2. Step 2: Convert to fraction form
    19,234.29/28,855.16 = 7,387.19/x
  3. Step 3: Cross multiply
    19,234.29x = 28,855.16 × 7,387.19
  4. Step 4: Simplify right side
    19,234.29x = 213,158,549.40
  5. Step 5: Solve for x
    x = 213,158,549.40/19,234.29
  6. Step 6: Final answer
    x = 11,082.22

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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.