Home / 23,979.05-33,091.11-13,368.45

Finding the Fourth Proportional to 23,979.05, 33,091.11 and 13,368.45

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Solution

The fourth proportional to 23,979.05, 33,091.11 and 13,368.45 is: 18,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.05 : 33,091.11 = 13,368.45 : x
  2. Step 2: Convert to fraction form
    23,979.05/33,091.11 = 13,368.45/x
  3. Step 3: Cross multiply
    23,979.05x = 33,091.11 × 13,368.45
  4. Step 4: Simplify right side
    23,979.05x = 442,376,849.48
  5. Step 5: Solve for x
    x = 442,376,849.48/23,979.05
  6. Step 6: Final answer
    x = 18,448.47

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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.