Home / 18,335.08-27,440.28-11,319.52

Finding the Fourth Proportional to 18,335.08, 27,440.28 and 11,319.52

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Solution

The fourth proportional to 18,335.08, 27,440.28 and 11,319.52 is: 16,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.08 : 27,440.28 = 11,319.52 : x
  2. Step 2: Convert to fraction form
    18,335.08/27,440.28 = 11,319.52/x
  3. Step 3: Cross multiply
    18,335.08x = 27,440.28 × 11,319.52
  4. Step 4: Simplify right side
    18,335.08x = 310,610,798.27
  5. Step 5: Solve for x
    x = 310,610,798.27/18,335.08
  6. Step 6: Final answer
    x = 16,940.79

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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.