Home / 25,015.52-37,473.76-20,340.72

Finding the Fourth Proportional to 25,015.52, 37,473.76 and 20,340.72

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Solution

The fourth proportional to 25,015.52, 37,473.76 and 20,340.72 is: 30,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,015.52 : 37,473.76 = 20,340.72 : x
  2. Step 2: Convert to fraction form
    25,015.52/37,473.76 = 20,340.72/x
  3. Step 3: Cross multiply
    25,015.52x = 37,473.76 × 20,340.72
  4. Step 4: Simplify right side
    25,015.52x = 762,243,259.51
  5. Step 5: Solve for x
    x = 762,243,259.51/25,015.52
  6. Step 6: Final answer
    x = 30,470.81

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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.