Home / 19,918.24-27,461.65-16,319.95

Finding the Fourth Proportional to 19,918.24, 27,461.65 and 16,319.95

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Solution

The fourth proportional to 19,918.24, 27,461.65 and 16,319.95 is: 22,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.24 : 27,461.65 = 16,319.95 : x
  2. Step 2: Convert to fraction form
    19,918.24/27,461.65 = 16,319.95/x
  3. Step 3: Cross multiply
    19,918.24x = 27,461.65 × 16,319.95
  4. Step 4: Simplify right side
    19,918.24x = 448,172,536.01
  5. Step 5: Solve for x
    x = 448,172,536.01/19,918.24
  6. Step 6: Final answer
    x = 22,500.61

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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.