Home / 13,296.13-19,935.88-4,971.76

Finding the Fourth Proportional to 13,296.13, 19,935.88 and 4,971.76

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Solution

The fourth proportional to 13,296.13, 19,935.88 and 4,971.76 is: 7,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.13 : 19,935.88 = 4,971.76 : x
  2. Step 2: Convert to fraction form
    13,296.13/19,935.88 = 4,971.76/x
  3. Step 3: Cross multiply
    13,296.13x = 19,935.88 × 4,971.76
  4. Step 4: Simplify right side
    13,296.13x = 99,116,410.75
  5. Step 5: Solve for x
    x = 99,116,410.75/13,296.13
  6. Step 6: Final answer
    x = 7,454.53

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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.