Home / 14,945.06-20,586.21-11,402.12

Finding the Fourth Proportional to 14,945.06, 20,586.21 and 11,402.12

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Solution

The fourth proportional to 14,945.06, 20,586.21 and 11,402.12 is: 15,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.06 : 20,586.21 = 11,402.12 : x
  2. Step 2: Convert to fraction form
    14,945.06/20,586.21 = 11,402.12/x
  3. Step 3: Cross multiply
    14,945.06x = 20,586.21 × 11,402.12
  4. Step 4: Simplify right side
    14,945.06x = 234,726,436.77
  5. Step 5: Solve for x
    x = 234,726,436.77/14,945.06
  6. Step 6: Final answer
    x = 15,705.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.