Home / 13,844.59-19,102.97-7,875.90

Finding the Fourth Proportional to 13,844.59, 19,102.97 and 7,875.90

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Solution

The fourth proportional to 13,844.59, 19,102.97 and 7,875.90 is: 10,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.59 : 19,102.97 = 7,875.90 : x
  2. Step 2: Convert to fraction form
    13,844.59/19,102.97 = 7,875.90/x
  3. Step 3: Cross multiply
    13,844.59x = 19,102.97 × 7,875.90
  4. Step 4: Simplify right side
    13,844.59x = 150,453,101.11
  5. Step 5: Solve for x
    x = 150,453,101.11/13,844.59
  6. Step 6: Final answer
    x = 10,867.29

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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.