Home / 28,943.70-43,416.44-9,968.13

Finding the Fourth Proportional to 28,943.70, 43,416.44 and 9,968.13

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Solution

The fourth proportional to 28,943.70, 43,416.44 and 9,968.13 is: 14,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.70 : 43,416.44 = 9,968.13 : x
  2. Step 2: Convert to fraction form
    28,943.70/43,416.44 = 9,968.13/x
  3. Step 3: Cross multiply
    28,943.70x = 43,416.44 × 9,968.13
  4. Step 4: Simplify right side
    28,943.70x = 432,780,668.22
  5. Step 5: Solve for x
    x = 432,780,668.22/28,943.70
  6. Step 6: Final answer
    x = 14,952.50

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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.