Home / 19,168.80-26,452.89-10,785.30

Finding the Fourth Proportional to 19,168.80, 26,452.89 and 10,785.30

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Solution

The fourth proportional to 19,168.80, 26,452.89 and 10,785.30 is: 14,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.80 : 26,452.89 = 10,785.30 : x
  2. Step 2: Convert to fraction form
    19,168.80/26,452.89 = 10,785.30/x
  3. Step 3: Cross multiply
    19,168.80x = 26,452.89 × 10,785.30
  4. Step 4: Simplify right side
    19,168.80x = 285,302,354.52
  5. Step 5: Solve for x
    x = 285,302,354.52/19,168.80
  6. Step 6: Final answer
    x = 14,883.68

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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.