Home / 15,026.80-22,540.20-4,639.60

Finding the Fourth Proportional to 15,026.80, 22,540.20 and 4,639.60

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Solution

The fourth proportional to 15,026.80, 22,540.20 and 4,639.60 is: 6,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.80 : 22,540.20 = 4,639.60 : x
  2. Step 2: Convert to fraction form
    15,026.80/22,540.20 = 4,639.60/x
  3. Step 3: Cross multiply
    15,026.80x = 22,540.20 × 4,639.60
  4. Step 4: Simplify right side
    15,026.80x = 104,577,511.92
  5. Step 5: Solve for x
    x = 104,577,511.92/15,026.80
  6. Step 6: Final answer
    x = 6,959.40

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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.