Home / 16,947.70-23,389.47-9,396.48

Finding the Fourth Proportional to 16,947.70, 23,389.47 and 9,396.48

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Solution

The fourth proportional to 16,947.70, 23,389.47 and 9,396.48 is: 12,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.70 : 23,389.47 = 9,396.48 : x
  2. Step 2: Convert to fraction form
    16,947.70/23,389.47 = 9,396.48/x
  3. Step 3: Cross multiply
    16,947.70x = 23,389.47 × 9,396.48
  4. Step 4: Simplify right side
    16,947.70x = 219,778,687.07
  5. Step 5: Solve for x
    x = 219,778,687.07/16,947.70
  6. Step 6: Final answer
    x = 12,968.05

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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.