Home / 14,159.36-19,540.86-9,371.04

Finding the Fourth Proportional to 14,159.36, 19,540.86 and 9,371.04

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Solution

The fourth proportional to 14,159.36, 19,540.86 and 9,371.04 is: 12,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.36 : 19,540.86 = 9,371.04 : x
  2. Step 2: Convert to fraction form
    14,159.36/19,540.86 = 9,371.04/x
  3. Step 3: Cross multiply
    14,159.36x = 19,540.86 × 9,371.04
  4. Step 4: Simplify right side
    14,159.36x = 183,118,180.69
  5. Step 5: Solve for x
    x = 183,118,180.69/14,159.36
  6. Step 6: Final answer
    x = 12,932.66

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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.