Home / 25,111.80-37,667.70-22,390.20

Finding the Fourth Proportional to 25,111.80, 37,667.70 and 22,390.20

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Solution

The fourth proportional to 25,111.80, 37,667.70 and 22,390.20 is: 33,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.80 : 37,667.70 = 22,390.20 : x
  2. Step 2: Convert to fraction form
    25,111.80/37,667.70 = 22,390.20/x
  3. Step 3: Cross multiply
    25,111.80x = 37,667.70 × 22,390.20
  4. Step 4: Simplify right side
    25,111.80x = 843,387,336.54
  5. Step 5: Solve for x
    x = 843,387,336.54/25,111.80
  6. Step 6: Final answer
    x = 33,585.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.