Home / 15,222.99-22,836.30-6,456.75

Finding the Fourth Proportional to 15,222.99, 22,836.30 and 6,456.75

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Solution

The fourth proportional to 15,222.99, 22,836.30 and 6,456.75 is: 9,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.99 : 22,836.30 = 6,456.75 : x
  2. Step 2: Convert to fraction form
    15,222.99/22,836.30 = 6,456.75/x
  3. Step 3: Cross multiply
    15,222.99x = 22,836.30 × 6,456.75
  4. Step 4: Simplify right side
    15,222.99x = 147,448,280.03
  5. Step 5: Solve for x
    x = 147,448,280.03/15,222.99
  6. Step 6: Final answer
    x = 9,685.89

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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.