Home / 16,836.40-23,236.14-10,124.20

Finding the Fourth Proportional to 16,836.40, 23,236.14 and 10,124.20

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Solution

The fourth proportional to 16,836.40, 23,236.14 and 10,124.20 is: 13,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.40 : 23,236.14 = 10,124.20 : x
  2. Step 2: Convert to fraction form
    16,836.40/23,236.14 = 10,124.20/x
  3. Step 3: Cross multiply
    16,836.40x = 23,236.14 × 10,124.20
  4. Step 4: Simplify right side
    16,836.40x = 235,247,328.59
  5. Step 5: Solve for x
    x = 235,247,328.59/16,836.40
  6. Step 6: Final answer
    x = 13,972.54

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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.