Home / 13,924.78-19,215.66-7,551.25

Finding the Fourth Proportional to 13,924.78, 19,215.66 and 7,551.25

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Solution

The fourth proportional to 13,924.78, 19,215.66 and 7,551.25 is: 10,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.78 : 19,215.66 = 7,551.25 : x
  2. Step 2: Convert to fraction form
    13,924.78/19,215.66 = 7,551.25/x
  3. Step 3: Cross multiply
    13,924.78x = 19,215.66 × 7,551.25
  4. Step 4: Simplify right side
    13,924.78x = 145,102,223.18
  5. Step 5: Solve for x
    x = 145,102,223.18/13,924.78
  6. Step 6: Final answer
    x = 10,420.43

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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.