Home / 14,036.44-19,350.85-9,781.36

Finding the Fourth Proportional to 14,036.44, 19,350.85 and 9,781.36

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Solution

The fourth proportional to 14,036.44, 19,350.85 and 9,781.36 is: 13,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.44 : 19,350.85 = 9,781.36 : x
  2. Step 2: Convert to fraction form
    14,036.44/19,350.85 = 9,781.36/x
  3. Step 3: Cross multiply
    14,036.44x = 19,350.85 × 9,781.36
  4. Step 4: Simplify right side
    14,036.44x = 189,277,575.67
  5. Step 5: Solve for x
    x = 189,277,575.67/14,036.44
  6. Step 6: Final answer
    x = 13,484.73

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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.