Home / 16,953.14-23,395.22-9,399.47

Finding the Fourth Proportional to 16,953.14, 23,395.22 and 9,399.47

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Solution

The fourth proportional to 16,953.14, 23,395.22 and 9,399.47 is: 12,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.14 : 23,395.22 = 9,399.47 : x
  2. Step 2: Convert to fraction form
    16,953.14/23,395.22 = 9,399.47/x
  3. Step 3: Cross multiply
    16,953.14x = 23,395.22 × 9,399.47
  4. Step 4: Simplify right side
    16,953.14x = 219,902,763.64
  5. Step 5: Solve for x
    x = 219,902,763.64/16,953.14
  6. Step 6: Final answer
    x = 12,971.21

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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.