Home / 15,359.44-23,009.61-9,418.99

Finding the Fourth Proportional to 15,359.44, 23,009.61 and 9,418.99

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Solution

The fourth proportional to 15,359.44, 23,009.61 and 9,418.99 is: 14,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.44 : 23,009.61 = 9,418.99 : x
  2. Step 2: Convert to fraction form
    15,359.44/23,009.61 = 9,418.99/x
  3. Step 3: Cross multiply
    15,359.44x = 23,009.61 × 9,418.99
  4. Step 4: Simplify right side
    15,359.44x = 216,727,171.45
  5. Step 5: Solve for x
    x = 216,727,171.45/15,359.44
  6. Step 6: Final answer
    x = 14,110.36

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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.