Home / 18,765.37-25,866.44-14,780.17

Finding the Fourth Proportional to 18,765.37, 25,866.44 and 14,780.17

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Solution

The fourth proportional to 18,765.37, 25,866.44 and 14,780.17 is: 20,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.37 : 25,866.44 = 14,780.17 : x
  2. Step 2: Convert to fraction form
    18,765.37/25,866.44 = 14,780.17/x
  3. Step 3: Cross multiply
    18,765.37x = 25,866.44 × 14,780.17
  4. Step 4: Simplify right side
    18,765.37x = 382,310,306.59
  5. Step 5: Solve for x
    x = 382,310,306.59/18,765.37
  6. Step 6: Final answer
    x = 20,373.18

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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.