Home / 26,967.47-40,436.55-12,159.05

Finding the Fourth Proportional to 26,967.47, 40,436.55 and 12,159.05

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Solution

The fourth proportional to 26,967.47, 40,436.55 and 12,159.05 is: 18,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,967.47 : 40,436.55 = 12,159.05 : x
  2. Step 2: Convert to fraction form
    26,967.47/40,436.55 = 12,159.05/x
  3. Step 3: Cross multiply
    26,967.47x = 40,436.55 × 12,159.05
  4. Step 4: Simplify right side
    26,967.47x = 491,669,831.09
  5. Step 5: Solve for x
    x = 491,669,831.09/26,967.47
  6. Step 6: Final answer
    x = 18,231.96

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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.