Home / 13,899.14-19,176.06-7,926.52

Finding the Fourth Proportional to 13,899.14, 19,176.06 and 7,926.52

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Solution

The fourth proportional to 13,899.14, 19,176.06 and 7,926.52 is: 10,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.14 : 19,176.06 = 7,926.52 : x
  2. Step 2: Convert to fraction form
    13,899.14/19,176.06 = 7,926.52/x
  3. Step 3: Cross multiply
    13,899.14x = 19,176.06 × 7,926.52
  4. Step 4: Simplify right side
    13,899.14x = 151,999,423.11
  5. Step 5: Solve for x
    x = 151,999,423.11/13,899.14
  6. Step 6: Final answer
    x = 10,935.89

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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.