Home / 21,574.08-32,207.06-18,251.66

Finding the Fourth Proportional to 21,574.08, 32,207.06 and 18,251.66

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Solution

The fourth proportional to 21,574.08, 32,207.06 and 18,251.66 is: 27,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.08 : 32,207.06 = 18,251.66 : x
  2. Step 2: Convert to fraction form
    21,574.08/32,207.06 = 18,251.66/x
  3. Step 3: Cross multiply
    21,574.08x = 32,207.06 × 18,251.66
  4. Step 4: Simplify right side
    21,574.08x = 587,832,434.87
  5. Step 5: Solve for x
    x = 587,832,434.87/21,574.08
  6. Step 6: Final answer
    x = 27,247.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.