Home / 19,908.96-29,881.91-10,055.16

Finding the Fourth Proportional to 19,908.96, 29,881.91 and 10,055.16

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Solution

The fourth proportional to 19,908.96, 29,881.91 and 10,055.16 is: 15,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.96 : 29,881.91 = 10,055.16 : x
  2. Step 2: Convert to fraction form
    19,908.96/29,881.91 = 10,055.16/x
  3. Step 3: Cross multiply
    19,908.96x = 29,881.91 × 10,055.16
  4. Step 4: Simplify right side
    19,908.96x = 300,467,335.88
  5. Step 5: Solve for x
    x = 300,467,335.88/19,908.96
  6. Step 6: Final answer
    x = 15,092.07

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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.