Home / 19,652.62-27,121.20-10,700.72

Finding the Fourth Proportional to 19,652.62, 27,121.20 and 10,700.72

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Solution

The fourth proportional to 19,652.62, 27,121.20 and 10,700.72 is: 14,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.62 : 27,121.20 = 10,700.72 : x
  2. Step 2: Convert to fraction form
    19,652.62/27,121.20 = 10,700.72/x
  3. Step 3: Cross multiply
    19,652.62x = 27,121.20 × 10,700.72
  4. Step 4: Simplify right side
    19,652.62x = 290,216,367.26
  5. Step 5: Solve for x
    x = 290,216,367.26/19,652.62
  6. Step 6: Final answer
    x = 14,767.31

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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.