Home / 13,972.48-19,273.56-8,305.24

Finding the Fourth Proportional to 13,972.48, 19,273.56 and 8,305.24

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Solution

The fourth proportional to 13,972.48, 19,273.56 and 8,305.24 is: 11,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.48 : 19,273.56 = 8,305.24 : x
  2. Step 2: Convert to fraction form
    13,972.48/19,273.56 = 8,305.24/x
  3. Step 3: Cross multiply
    13,972.48x = 19,273.56 × 8,305.24
  4. Step 4: Simplify right side
    13,972.48x = 160,071,541.45
  5. Step 5: Solve for x
    x = 160,071,541.45/13,972.48
  6. Step 6: Final answer
    x = 11,456.20

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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.