Home / 19,906.90-29,878.81-10,053.11

Finding the Fourth Proportional to 19,906.90, 29,878.81 and 10,053.11

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Solution

The fourth proportional to 19,906.90, 29,878.81 and 10,053.11 is: 15,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.90 : 29,878.81 = 10,053.11 : x
  2. Step 2: Convert to fraction form
    19,906.90/29,878.81 = 10,053.11/x
  3. Step 3: Cross multiply
    19,906.90x = 29,878.81 × 10,053.11
  4. Step 4: Simplify right side
    19,906.90x = 300,375,013.16
  5. Step 5: Solve for x
    x = 300,375,013.16/19,906.90
  6. Step 6: Final answer
    x = 15,088.99

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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.