Home / 25,630.48-38,440.20-8,095.60

Finding the Fourth Proportional to 25,630.48, 38,440.20 and 8,095.60

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Solution

The fourth proportional to 25,630.48, 38,440.20 and 8,095.60 is: 12,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.48 : 38,440.20 = 8,095.60 : x
  2. Step 2: Convert to fraction form
    25,630.48/38,440.20 = 8,095.60/x
  3. Step 3: Cross multiply
    25,630.48x = 38,440.20 × 8,095.60
  4. Step 4: Simplify right side
    25,630.48x = 311,196,483.12
  5. Step 5: Solve for x
    x = 311,196,483.12/25,630.48
  6. Step 6: Final answer
    x = 12,141.66

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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.