Home / 44,009.57-66,018.25-12,419.91

Finding the Fourth Proportional to 44,009.57, 66,018.25 and 12,419.91

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Solution

The fourth proportional to 44,009.57, 66,018.25 and 12,419.91 is: 18,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,009.57 : 66,018.25 = 12,419.91 : x
  2. Step 2: Convert to fraction form
    44,009.57/66,018.25 = 12,419.91/x
  3. Step 3: Cross multiply
    44,009.57x = 66,018.25 × 12,419.91
  4. Step 4: Simplify right side
    44,009.57x = 819,940,723.36
  5. Step 5: Solve for x
    x = 819,940,723.36/44,009.57
  6. Step 6: Final answer
    x = 18,630.96

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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.