Home / 18,500.23-25,533.33-13,751.70

Finding the Fourth Proportional to 18,500.23, 25,533.33 and 13,751.70

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Solution

The fourth proportional to 18,500.23, 25,533.33 and 13,751.70 is: 18,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.23 : 25,533.33 = 13,751.70 : x
  2. Step 2: Convert to fraction form
    18,500.23/25,533.33 = 13,751.70/x
  3. Step 3: Cross multiply
    18,500.23x = 25,533.33 × 13,751.70
  4. Step 4: Simplify right side
    18,500.23x = 351,126,625.40
  5. Step 5: Solve for x
    x = 351,126,625.40/18,500.23
  6. Step 6: Final answer
    x = 18,979.59

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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.