Home / 27,055.40-40,582.38-12,253.64

Finding the Fourth Proportional to 27,055.40, 40,582.38 and 12,253.64

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Solution

The fourth proportional to 27,055.40, 40,582.38 and 12,253.64 is: 18,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.40 : 40,582.38 = 12,253.64 : x
  2. Step 2: Convert to fraction form
    27,055.40/40,582.38 = 12,253.64/x
  3. Step 3: Cross multiply
    27,055.40x = 40,582.38 × 12,253.64
  4. Step 4: Simplify right side
    27,055.40x = 497,281,874.86
  5. Step 5: Solve for x
    x = 497,281,874.86/27,055.40
  6. Step 6: Final answer
    x = 18,380.13

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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.