Home / 19,581.78-27,023.32-11,624.04

Finding the Fourth Proportional to 19,581.78, 27,023.32 and 11,624.04

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Solution

The fourth proportional to 19,581.78, 27,023.32 and 11,624.04 is: 16,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.78 : 27,023.32 = 11,624.04 : x
  2. Step 2: Convert to fraction form
    19,581.78/27,023.32 = 11,624.04/x
  3. Step 3: Cross multiply
    19,581.78x = 27,023.32 × 11,624.04
  4. Step 4: Simplify right side
    19,581.78x = 314,120,167.14
  5. Step 5: Solve for x
    x = 314,120,167.14/19,581.78
  6. Step 6: Final answer
    x = 16,041.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.