Home / 48,191.22-72,278.94-13,133.61

Finding the Fourth Proportional to 48,191.22, 72,278.94 and 13,133.61

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Solution

The fourth proportional to 48,191.22, 72,278.94 and 13,133.61 is: 19,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,191.22 : 72,278.94 = 13,133.61 : x
  2. Step 2: Convert to fraction form
    48,191.22/72,278.94 = 13,133.61/x
  3. Step 3: Cross multiply
    48,191.22x = 72,278.94 × 13,133.61
  4. Step 4: Simplify right side
    48,191.22x = 949,283,409.17
  5. Step 5: Solve for x
    x = 949,283,409.17/48,191.22
  6. Step 6: Final answer
    x = 19,698.26

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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.