Home / 15,667.74-21,625.11-10,069.02

Finding the Fourth Proportional to 15,667.74, 21,625.11 and 10,069.02

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Solution

The fourth proportional to 15,667.74, 21,625.11 and 10,069.02 is: 13,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.74 : 21,625.11 = 10,069.02 : x
  2. Step 2: Convert to fraction form
    15,667.74/21,625.11 = 10,069.02/x
  3. Step 3: Cross multiply
    15,667.74x = 21,625.11 × 10,069.02
  4. Step 4: Simplify right side
    15,667.74x = 217,743,665.09
  5. Step 5: Solve for x
    x = 217,743,665.09/15,667.74
  6. Step 6: Final answer
    x = 13,897.58

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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.