Home / 19,889.28-27,426.24-17,066.88

Finding the Fourth Proportional to 19,889.28, 27,426.24 and 17,066.88

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Solution

The fourth proportional to 19,889.28, 27,426.24 and 17,066.88 is: 23,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.28 : 27,426.24 = 17,066.88 : x
  2. Step 2: Convert to fraction form
    19,889.28/27,426.24 = 17,066.88/x
  3. Step 3: Cross multiply
    19,889.28x = 27,426.24 × 17,066.88
  4. Step 4: Simplify right side
    19,889.28x = 468,080,346.93
  5. Step 5: Solve for x
    x = 468,080,346.93/19,889.28
  6. Step 6: Final answer
    x = 23,534.30

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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.