Home / 14,039.25-19,358.37-11,479.02

Finding the Fourth Proportional to 14,039.25, 19,358.37 and 11,479.02

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Solution

The fourth proportional to 14,039.25, 19,358.37 and 11,479.02 is: 15,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.25 : 19,358.37 = 11,479.02 : x
  2. Step 2: Convert to fraction form
    14,039.25/19,358.37 = 11,479.02/x
  3. Step 3: Cross multiply
    14,039.25x = 19,358.37 × 11,479.02
  4. Step 4: Simplify right side
    14,039.25x = 222,215,116.40
  5. Step 5: Solve for x
    x = 222,215,116.40/14,039.25
  6. Step 6: Final answer
    x = 15,828.13

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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.