Home / 18,637.38-25,689.69-17,111.34

Finding the Fourth Proportional to 18,637.38, 25,689.69 and 17,111.34

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Solution

The fourth proportional to 18,637.38, 25,689.69 and 17,111.34 is: 23,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.38 : 25,689.69 = 17,111.34 : x
  2. Step 2: Convert to fraction form
    18,637.38/25,689.69 = 17,111.34/x
  3. Step 3: Cross multiply
    18,637.38x = 25,689.69 × 17,111.34
  4. Step 4: Simplify right side
    18,637.38x = 439,585,020.08
  5. Step 5: Solve for x
    x = 439,585,020.08/18,637.38
  6. Step 6: Final answer
    x = 23,586.20

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Half scale
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Double scale
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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.