Home / 13,924.20-19,215.04-7,550.52

Finding the Fourth Proportional to 13,924.20, 19,215.04 and 7,550.52

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Solution

The fourth proportional to 13,924.20, 19,215.04 and 7,550.52 is: 10,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.20 : 19,215.04 = 7,550.52 : x
  2. Step 2: Convert to fraction form
    13,924.20/19,215.04 = 7,550.52/x
  3. Step 3: Cross multiply
    13,924.20x = 19,215.04 × 7,550.52
  4. Step 4: Simplify right side
    13,924.20x = 145,083,543.82
  5. Step 5: Solve for x
    x = 145,083,543.82/13,924.20
  6. Step 6: Final answer
    x = 10,419.52

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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.