Home / 19,618.17-27,073.10-10,665.65

Finding the Fourth Proportional to 19,618.17, 27,073.10 and 10,665.65

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Solution

The fourth proportional to 19,618.17, 27,073.10 and 10,665.65 is: 14,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.17 : 27,073.10 = 10,665.65 : x
  2. Step 2: Convert to fraction form
    19,618.17/27,073.10 = 10,665.65/x
  3. Step 3: Cross multiply
    19,618.17x = 27,073.10 × 10,665.65
  4. Step 4: Simplify right side
    19,618.17x = 288,752,020.32
  5. Step 5: Solve for x
    x = 288,752,020.32/19,618.17
  6. Step 6: Final answer
    x = 14,718.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.