Home / 19,082.16-28,631.40-10,323.18

Finding the Fourth Proportional to 19,082.16, 28,631.40 and 10,323.18

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Solution

The fourth proportional to 19,082.16, 28,631.40 and 10,323.18 is: 15,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.16 : 28,631.40 = 10,323.18 : x
  2. Step 2: Convert to fraction form
    19,082.16/28,631.40 = 10,323.18/x
  3. Step 3: Cross multiply
    19,082.16x = 28,631.40 × 10,323.18
  4. Step 4: Simplify right side
    19,082.16x = 295,567,095.85
  5. Step 5: Solve for x
    x = 295,567,095.85/19,082.16
  6. Step 6: Final answer
    x = 15,489.18

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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.