Home / 18,385.45-25,206.66-18,053.30

Finding the Fourth Proportional to 18,385.45, 25,206.66 and 18,053.30

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Solution

The fourth proportional to 18,385.45, 25,206.66 and 18,053.30 is: 24,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.45 : 25,206.66 = 18,053.30 : x
  2. Step 2: Convert to fraction form
    18,385.45/25,206.66 = 18,053.30/x
  3. Step 3: Cross multiply
    18,385.45x = 25,206.66 × 18,053.30
  4. Step 4: Simplify right side
    18,385.45x = 455,063,394.98
  5. Step 5: Solve for x
    x = 455,063,394.98/18,385.45
  6. Step 6: Final answer
    x = 24,751.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.