Home / 38,622.06-57,934.13-12,326.76

Finding the Fourth Proportional to 38,622.06, 57,934.13 and 12,326.76

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Solution

The fourth proportional to 38,622.06, 57,934.13 and 12,326.76 is: 18,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.06 : 57,934.13 = 12,326.76 : x
  2. Step 2: Convert to fraction form
    38,622.06/57,934.13 = 12,326.76/x
  3. Step 3: Cross multiply
    38,622.06x = 57,934.13 × 12,326.76
  4. Step 4: Simplify right side
    38,622.06x = 714,140,054.69
  5. Step 5: Solve for x
    x = 714,140,054.69/38,622.06
  6. Step 6: Final answer
    x = 18,490.47

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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.