Home / 25,584.40-38,376.60-7,116.40

Finding the Fourth Proportional to 25,584.40, 38,376.60 and 7,116.40

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Solution

The fourth proportional to 25,584.40, 38,376.60 and 7,116.40 is: 10,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.40 : 38,376.60 = 7,116.40 : x
  2. Step 2: Convert to fraction form
    25,584.40/38,376.60 = 7,116.40/x
  3. Step 3: Cross multiply
    25,584.40x = 38,376.60 × 7,116.40
  4. Step 4: Simplify right side
    25,584.40x = 273,103,236.24
  5. Step 5: Solve for x
    x = 273,103,236.24/25,584.40
  6. Step 6: Final answer
    x = 10,674.60

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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.