Home / 15,552.24-21,463.79-8,839.50

Finding the Fourth Proportional to 15,552.24, 21,463.79 and 8,839.50

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Solution

The fourth proportional to 15,552.24, 21,463.79 and 8,839.50 is: 12,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.24 : 21,463.79 = 8,839.50 : x
  2. Step 2: Convert to fraction form
    15,552.24/21,463.79 = 8,839.50/x
  3. Step 3: Cross multiply
    15,552.24x = 21,463.79 × 8,839.50
  4. Step 4: Simplify right side
    15,552.24x = 189,729,047.02
  5. Step 5: Solve for x
    x = 189,729,047.02/15,552.24
  6. Step 6: Final answer
    x = 12,199.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.