Home / 26,634.30-36,744.13-18,681.72

Finding the Fourth Proportional to 26,634.30, 36,744.13 and 18,681.72

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Solution

The fourth proportional to 26,634.30, 36,744.13 and 18,681.72 is: 25,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.30 : 36,744.13 = 18,681.72 : x
  2. Step 2: Convert to fraction form
    26,634.30/36,744.13 = 18,681.72/x
  3. Step 3: Cross multiply
    26,634.30x = 36,744.13 × 18,681.72
  4. Step 4: Simplify right side
    26,634.30x = 686,443,548.30
  5. Step 5: Solve for x
    x = 686,443,548.30/26,634.30
  6. Step 6: Final answer
    x = 25,772.91

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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.