Home / 19,431.22-29,156.05-10,069.49

Finding the Fourth Proportional to 19,431.22, 29,156.05 and 10,069.49

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Solution

The fourth proportional to 19,431.22, 29,156.05 and 10,069.49 is: 15,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.22 : 29,156.05 = 10,069.49 : x
  2. Step 2: Convert to fraction form
    19,431.22/29,156.05 = 10,069.49/x
  3. Step 3: Cross multiply
    19,431.22x = 29,156.05 × 10,069.49
  4. Step 4: Simplify right side
    19,431.22x = 293,586,553.91
  5. Step 5: Solve for x
    x = 293,586,553.91/19,431.22
  6. Step 6: Final answer
    x = 15,109.01

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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.