Home / 19,486.98-29,220.06-10,117.56

Finding the Fourth Proportional to 19,486.98, 29,220.06 and 10,117.56

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Solution

The fourth proportional to 19,486.98, 29,220.06 and 10,117.56 is: 15,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.98 : 29,220.06 = 10,117.56 : x
  2. Step 2: Convert to fraction form
    19,486.98/29,220.06 = 10,117.56/x
  3. Step 3: Cross multiply
    19,486.98x = 29,220.06 × 10,117.56
  4. Step 4: Simplify right side
    19,486.98x = 295,635,710.25
  5. Step 5: Solve for x
    x = 295,635,710.25/19,486.98
  6. Step 6: Final answer
    x = 15,170.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.