Home / 18,898.16-28,345.32-6,248.24

Finding the Fourth Proportional to 18,898.16, 28,345.32 and 6,248.24

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Solution

The fourth proportional to 18,898.16, 28,345.32 and 6,248.24 is: 9,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.16 : 28,345.32 = 6,248.24 : x
  2. Step 2: Convert to fraction form
    18,898.16/28,345.32 = 6,248.24/x
  3. Step 3: Cross multiply
    18,898.16x = 28,345.32 × 6,248.24
  4. Step 4: Simplify right side
    18,898.16x = 177,108,362.24
  5. Step 5: Solve for x
    x = 177,108,362.24/18,898.16
  6. Step 6: Final answer
    x = 9,371.73

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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.