Home / 16,912.76-23,346.15-15,141.29

Finding the Fourth Proportional to 16,912.76, 23,346.15 and 15,141.29

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Solution

The fourth proportional to 16,912.76, 23,346.15 and 15,141.29 is: 20,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.76 : 23,346.15 = 15,141.29 : x
  2. Step 2: Convert to fraction form
    16,912.76/23,346.15 = 15,141.29/x
  3. Step 3: Cross multiply
    16,912.76x = 23,346.15 × 15,141.29
  4. Step 4: Simplify right side
    16,912.76x = 353,490,827.53
  5. Step 5: Solve for x
    x = 353,490,827.53/16,912.76
  6. Step 6: Final answer
    x = 20,900.84

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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.