Home / 16,866.61-25,266.08-15,488.71

Finding the Fourth Proportional to 16,866.61, 25,266.08 and 15,488.71

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Solution

The fourth proportional to 16,866.61, 25,266.08 and 15,488.71 is: 23,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.61 : 25,266.08 = 15,488.71 : x
  2. Step 2: Convert to fraction form
    16,866.61/25,266.08 = 15,488.71/x
  3. Step 3: Cross multiply
    16,866.61x = 25,266.08 × 15,488.71
  4. Step 4: Simplify right side
    16,866.61x = 391,338,908.51
  5. Step 5: Solve for x
    x = 391,338,908.51/16,866.61
  6. Step 6: Final answer
    x = 23,201.99

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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.