Home / 19,332.10-28,997.08-5,291.11

Finding the Fourth Proportional to 19,332.10, 28,997.08 and 5,291.11

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Solution

The fourth proportional to 19,332.10, 28,997.08 and 5,291.11 is: 7,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.10 : 28,997.08 = 5,291.11 : x
  2. Step 2: Convert to fraction form
    19,332.10/28,997.08 = 5,291.11/x
  3. Step 3: Cross multiply
    19,332.10x = 28,997.08 × 5,291.11
  4. Step 4: Simplify right side
    19,332.10x = 153,426,568.52
  5. Step 5: Solve for x
    x = 153,426,568.52/19,332.10
  6. Step 6: Final answer
    x = 7,936.37

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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.