Home / 22,036.92-30,399.68-14,070.78

Finding the Fourth Proportional to 22,036.92, 30,399.68 and 14,070.78

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Solution

The fourth proportional to 22,036.92, 30,399.68 and 14,070.78 is: 19,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.92 : 30,399.68 = 14,070.78 : x
  2. Step 2: Convert to fraction form
    22,036.92/30,399.68 = 14,070.78/x
  3. Step 3: Cross multiply
    22,036.92x = 30,399.68 × 14,070.78
  4. Step 4: Simplify right side
    22,036.92x = 427,747,209.35
  5. Step 5: Solve for x
    x = 427,747,209.35/22,036.92
  6. Step 6: Final answer
    x = 19,410.48

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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.