Home / 19,618.30-27,073.52-10,665.78

Finding the Fourth Proportional to 19,618.30, 27,073.52 and 10,665.78

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Solution

The fourth proportional to 19,618.30, 27,073.52 and 10,665.78 is: 14,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.30 : 27,073.52 = 10,665.78 : x
  2. Step 2: Convert to fraction form
    19,618.30/27,073.52 = 10,665.78/x
  3. Step 3: Cross multiply
    19,618.30x = 27,073.52 × 10,665.78
  4. Step 4: Simplify right side
    19,618.30x = 288,760,302.11
  5. Step 5: Solve for x
    x = 288,760,302.11/19,618.30
  6. Step 6: Final answer
    x = 14,718.92

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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.