Home / 26,321.60-36,306-16,901.60

Finding the Fourth Proportional to 26,321.60, 36,306 and 16,901.60

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Solution

The fourth proportional to 26,321.60, 36,306 and 16,901.60 is: 23,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.60 : 36,306 = 16,901.60 : x
  2. Step 2: Convert to fraction form
    26,321.60/36,306 = 16,901.60/x
  3. Step 3: Cross multiply
    26,321.60x = 36,306 × 16,901.60
  4. Step 4: Simplify right side
    26,321.60x = 613,629,489.60
  5. Step 5: Solve for x
    x = 613,629,489.60/26,321.60
  6. Step 6: Final answer
    x = 23,312.77

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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.