Home / 27,222.36-40,815.52-13,154.52

Finding the Fourth Proportional to 27,222.36, 40,815.52 and 13,154.52

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Solution

The fourth proportional to 27,222.36, 40,815.52 and 13,154.52 is: 19,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222.36 : 40,815.52 = 13,154.52 : x
  2. Step 2: Convert to fraction form
    27,222.36/40,815.52 = 13,154.52/x
  3. Step 3: Cross multiply
    27,222.36x = 40,815.52 × 13,154.52
  4. Step 4: Simplify right side
    27,222.36x = 536,908,574.15
  5. Step 5: Solve for x
    x = 536,908,574.15/27,222.36
  6. Step 6: Final answer
    x = 19,723.07

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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.