Home / 25,443.80-38,168.36-7,674.56

Finding the Fourth Proportional to 25,443.80, 38,168.36 and 7,674.56

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Solution

The fourth proportional to 25,443.80, 38,168.36 and 7,674.56 is: 11,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.80 : 38,168.36 = 7,674.56 : x
  2. Step 2: Convert to fraction form
    25,443.80/38,168.36 = 7,674.56/x
  3. Step 3: Cross multiply
    25,443.80x = 38,168.36 × 7,674.56
  4. Step 4: Simplify right side
    25,443.80x = 292,925,368.92
  5. Step 5: Solve for x
    x = 292,925,368.92/25,443.80
  6. Step 6: Final answer
    x = 11,512.64

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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.