Home / 19,622.16-27,078.20-10,669.59

Finding the Fourth Proportional to 19,622.16, 27,078.20 and 10,669.59

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Solution

The fourth proportional to 19,622.16, 27,078.20 and 10,669.59 is: 14,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.16 : 27,078.20 = 10,669.59 : x
  2. Step 2: Convert to fraction form
    19,622.16/27,078.20 = 10,669.59/x
  3. Step 3: Cross multiply
    19,622.16x = 27,078.20 × 10,669.59
  4. Step 4: Simplify right side
    19,622.16x = 288,913,278.60
  5. Step 5: Solve for x
    x = 288,913,278.60/19,622.16
  6. Step 6: Final answer
    x = 14,723.83

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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.