Home / 15,270.99-22,910.08-4,740.47

Finding the Fourth Proportional to 15,270.99, 22,910.08 and 4,740.47

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Solution

The fourth proportional to 15,270.99, 22,910.08 and 4,740.47 is: 7,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.99 : 22,910.08 = 4,740.47 : x
  2. Step 2: Convert to fraction form
    15,270.99/22,910.08 = 4,740.47/x
  3. Step 3: Cross multiply
    15,270.99x = 22,910.08 × 4,740.47
  4. Step 4: Simplify right side
    15,270.99x = 108,604,637.54
  5. Step 5: Solve for x
    x = 108,604,637.54/15,270.99
  6. Step 6: Final answer
    x = 7,111.83

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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.