Home / 23,990.28-33,112.59-15,501.99

Finding the Fourth Proportional to 23,990.28, 33,112.59 and 15,501.99

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Solution

The fourth proportional to 23,990.28, 33,112.59 and 15,501.99 is: 21,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.28 : 33,112.59 = 15,501.99 : x
  2. Step 2: Convert to fraction form
    23,990.28/33,112.59 = 15,501.99/x
  3. Step 3: Cross multiply
    23,990.28x = 33,112.59 × 15,501.99
  4. Step 4: Simplify right side
    23,990.28x = 513,311,039.05
  5. Step 5: Solve for x
    x = 513,311,039.05/23,990.28
  6. Step 6: Final answer
    x = 21,396.63

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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.