Home / 25,366.80-38,050.20-6,645.60

Finding the Fourth Proportional to 25,366.80, 38,050.20 and 6,645.60

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Solution

The fourth proportional to 25,366.80, 38,050.20 and 6,645.60 is: 9,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.80 : 38,050.20 = 6,645.60 : x
  2. Step 2: Convert to fraction form
    25,366.80/38,050.20 = 6,645.60/x
  3. Step 3: Cross multiply
    25,366.80x = 38,050.20 × 6,645.60
  4. Step 4: Simplify right side
    25,366.80x = 252,866,409.12
  5. Step 5: Solve for x
    x = 252,866,409.12/25,366.80
  6. Step 6: Final answer
    x = 9,968.40

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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.