Home / 19,618.74-27,073.31-10,666.04

Finding the Fourth Proportional to 19,618.74, 27,073.31 and 10,666.04

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Solution

The fourth proportional to 19,618.74, 27,073.31 and 10,666.04 is: 14,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.74 : 27,073.31 = 10,666.04 : x
  2. Step 2: Convert to fraction form
    19,618.74/27,073.31 = 10,666.04/x
  3. Step 3: Cross multiply
    19,618.74x = 27,073.31 × 10,666.04
  4. Step 4: Simplify right side
    19,618.74x = 288,764,818.70
  5. Step 5: Solve for x
    x = 288,764,818.70/19,618.74
  6. Step 6: Final answer
    x = 14,718.83

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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.