Home / 27,018.11-40,526.64-12,216.69

Finding the Fourth Proportional to 27,018.11, 40,526.64 and 12,216.69

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Solution

The fourth proportional to 27,018.11, 40,526.64 and 12,216.69 is: 18,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.11 : 40,526.64 = 12,216.69 : x
  2. Step 2: Convert to fraction form
    27,018.11/40,526.64 = 12,216.69/x
  3. Step 3: Cross multiply
    27,018.11x = 40,526.64 × 12,216.69
  4. Step 4: Simplify right side
    27,018.11x = 495,101,397.62
  5. Step 5: Solve for x
    x = 495,101,397.62/27,018.11
  6. Step 6: Final answer
    x = 18,324.80

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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.