Home / 19,675.57-27,151.49-10,722.88

Finding the Fourth Proportional to 19,675.57, 27,151.49 and 10,722.88

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Solution

The fourth proportional to 19,675.57, 27,151.49 and 10,722.88 is: 14,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.57 : 27,151.49 = 10,722.88 : x
  2. Step 2: Convert to fraction form
    19,675.57/27,151.49 = 10,722.88/x
  3. Step 3: Cross multiply
    19,675.57x = 27,151.49 × 10,722.88
  4. Step 4: Simplify right side
    19,675.57x = 291,142,128.02
  5. Step 5: Solve for x
    x = 291,142,128.02/19,675.57
  6. Step 6: Final answer
    x = 14,797.14

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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.