Home / 14,116.96-19,479.36-9,081.64

Finding the Fourth Proportional to 14,116.96, 19,479.36 and 9,081.64

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Solution

The fourth proportional to 14,116.96, 19,479.36 and 9,081.64 is: 12,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.96 : 19,479.36 = 9,081.64 : x
  2. Step 2: Convert to fraction form
    14,116.96/19,479.36 = 9,081.64/x
  3. Step 3: Cross multiply
    14,116.96x = 19,479.36 × 9,081.64
  4. Step 4: Simplify right side
    14,116.96x = 176,904,534.95
  5. Step 5: Solve for x
    x = 176,904,534.95/14,116.96
  6. Step 6: Final answer
    x = 12,531.35

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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.