Home / 20,110.15-29,952.79-19,056.29

Finding the Fourth Proportional to 20,110.15, 29,952.79 and 19,056.29

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Solution

The fourth proportional to 20,110.15, 29,952.79 and 19,056.29 is: 28,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.15 : 29,952.79 = 19,056.29 : x
  2. Step 2: Convert to fraction form
    20,110.15/29,952.79 = 19,056.29/x
  3. Step 3: Cross multiply
    20,110.15x = 29,952.79 × 19,056.29
  4. Step 4: Simplify right side
    20,110.15x = 570,788,939.39
  5. Step 5: Solve for x
    x = 570,788,939.39/20,110.15
  6. Step 6: Final answer
    x = 28,383.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.