Home / 13,774.18-20,663.14-5,011.60

Finding the Fourth Proportional to 13,774.18, 20,663.14 and 5,011.60

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Solution

The fourth proportional to 13,774.18, 20,663.14 and 5,011.60 is: 7,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.18 : 20,663.14 = 5,011.60 : x
  2. Step 2: Convert to fraction form
    13,774.18/20,663.14 = 5,011.60/x
  3. Step 3: Cross multiply
    13,774.18x = 20,663.14 × 5,011.60
  4. Step 4: Simplify right side
    13,774.18x = 103,555,392.42
  5. Step 5: Solve for x
    x = 103,555,392.42/13,774.18
  6. Step 6: Final answer
    x = 7,518.08

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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.