Home / 27,020.91-40,526.64-12,226.35

Finding the Fourth Proportional to 27,020.91, 40,526.64 and 12,226.35

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Solution

The fourth proportional to 27,020.91, 40,526.64 and 12,226.35 is: 18,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.91 : 40,526.64 = 12,226.35 : x
  2. Step 2: Convert to fraction form
    27,020.91/40,526.64 = 12,226.35/x
  3. Step 3: Cross multiply
    27,020.91x = 40,526.64 × 12,226.35
  4. Step 4: Simplify right side
    27,020.91x = 495,492,884.96
  5. Step 5: Solve for x
    x = 495,492,884.96/27,020.91
  6. Step 6: Final answer
    x = 18,337.39

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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.