Home / 20,754.51-31,125.39-5,959.46

Finding the Fourth Proportional to 20,754.51, 31,125.39 and 5,959.46

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Solution

The fourth proportional to 20,754.51, 31,125.39 and 5,959.46 is: 8,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.51 : 31,125.39 = 5,959.46 : x
  2. Step 2: Convert to fraction form
    20,754.51/31,125.39 = 5,959.46/x
  3. Step 3: Cross multiply
    20,754.51x = 31,125.39 × 5,959.46
  4. Step 4: Simplify right side
    20,754.51x = 185,490,361.06
  5. Step 5: Solve for x
    x = 185,490,361.06/20,754.51
  6. Step 6: Final answer
    x = 8,937.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.