Home / 15,784.45-23,677.94-5,254.09

Finding the Fourth Proportional to 15,784.45, 23,677.94 and 5,254.09

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Solution

The fourth proportional to 15,784.45, 23,677.94 and 5,254.09 is: 7,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.45 : 23,677.94 = 5,254.09 : x
  2. Step 2: Convert to fraction form
    15,784.45/23,677.94 = 5,254.09/x
  3. Step 3: Cross multiply
    15,784.45x = 23,677.94 × 5,254.09
  4. Step 4: Simplify right side
    15,784.45x = 124,406,027.77
  5. Step 5: Solve for x
    x = 124,406,027.77/15,784.45
  6. Step 6: Final answer
    x = 7,881.56

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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.