Home / 14,175.18-19,569.42-9,939.24

Finding the Fourth Proportional to 14,175.18, 19,569.42 and 9,939.24

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Solution

The fourth proportional to 14,175.18, 19,569.42 and 9,939.24 is: 13,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.18 : 19,569.42 = 9,939.24 : x
  2. Step 2: Convert to fraction form
    14,175.18/19,569.42 = 9,939.24/x
  3. Step 3: Cross multiply
    14,175.18x = 19,569.42 × 9,939.24
  4. Step 4: Simplify right side
    14,175.18x = 194,505,162.04
  5. Step 5: Solve for x
    x = 194,505,162.04/14,175.18
  6. Step 6: Final answer
    x = 13,721.53

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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.