Home / 19,518.11-29,277.24-4,727

Finding the Fourth Proportional to 19,518.11, 29,277.24 and 4,727

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Solution

The fourth proportional to 19,518.11, 29,277.24 and 4,727 is: 7,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.11 : 29,277.24 = 4,727 : x
  2. Step 2: Convert to fraction form
    19,518.11/29,277.24 = 4,727/x
  3. Step 3: Cross multiply
    19,518.11x = 29,277.24 × 4,727
  4. Step 4: Simplify right side
    19,518.11x = 138,393,513.48
  5. Step 5: Solve for x
    x = 138,393,513.48/19,518.11
  6. Step 6: Final answer
    x = 7,090.52

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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.