Home / 18,070.66-27,095.34-8,442.88

Finding the Fourth Proportional to 18,070.66, 27,095.34 and 8,442.88

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Solution

The fourth proportional to 18,070.66, 27,095.34 and 8,442.88 is: 12,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.66 : 27,095.34 = 8,442.88 : x
  2. Step 2: Convert to fraction form
    18,070.66/27,095.34 = 8,442.88/x
  3. Step 3: Cross multiply
    18,070.66x = 27,095.34 × 8,442.88
  4. Step 4: Simplify right side
    18,070.66x = 228,762,749.28
  5. Step 5: Solve for x
    x = 228,762,749.28/18,070.66
  6. Step 6: Final answer
    x = 12,659.35

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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.