Home / 44,278.94-66,428.12-13,116.62

Finding the Fourth Proportional to 44,278.94, 66,428.12 and 13,116.62

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Solution

The fourth proportional to 44,278.94, 66,428.12 and 13,116.62 is: 19,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,278.94 : 66,428.12 = 13,116.62 : x
  2. Step 2: Convert to fraction form
    44,278.94/66,428.12 = 13,116.62/x
  3. Step 3: Cross multiply
    44,278.94x = 66,428.12 × 13,116.62
  4. Step 4: Simplify right side
    44,278.94x = 871,312,407.35
  5. Step 5: Solve for x
    x = 871,312,407.35/44,278.94
  6. Step 6: Final answer
    x = 19,677.81

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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.