Home / 16,236.75-22,417.05-13,259.70

Finding the Fourth Proportional to 16,236.75, 22,417.05 and 13,259.70

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Solution

The fourth proportional to 16,236.75, 22,417.05 and 13,259.70 is: 18,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,236.75 : 22,417.05 = 13,259.70 : x
  2. Step 2: Convert to fraction form
    16,236.75/22,417.05 = 13,259.70/x
  3. Step 3: Cross multiply
    16,236.75x = 22,417.05 × 13,259.70
  4. Step 4: Simplify right side
    16,236.75x = 297,243,407.61
  5. Step 5: Solve for x
    x = 297,243,407.61/16,236.75
  6. Step 6: Final answer
    x = 18,306.82

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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.