Home / 18,413.28-27,624.56-5,266.76

Finding the Fourth Proportional to 18,413.28, 27,624.56 and 5,266.76

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Solution

The fourth proportional to 18,413.28, 27,624.56 and 5,266.76 is: 7,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.28 : 27,624.56 = 5,266.76 : x
  2. Step 2: Convert to fraction form
    18,413.28/27,624.56 = 5,266.76/x
  3. Step 3: Cross multiply
    18,413.28x = 27,624.56 × 5,266.76
  4. Step 4: Simplify right side
    18,413.28x = 145,491,927.63
  5. Step 5: Solve for x
    x = 145,491,927.63/18,413.28
  6. Step 6: Final answer
    x = 7,901.47

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1.5x scale

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.