Home / 16,943.03-23,380.75-9,389.17

Finding the Fourth Proportional to 16,943.03, 23,380.75 and 9,389.17

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Solution

The fourth proportional to 16,943.03, 23,380.75 and 9,389.17 is: 12,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.03 : 23,380.75 = 9,389.17 : x
  2. Step 2: Convert to fraction form
    16,943.03/23,380.75 = 9,389.17/x
  3. Step 3: Cross multiply
    16,943.03x = 23,380.75 × 9,389.17
  4. Step 4: Simplify right side
    16,943.03x = 219,525,672.63
  5. Step 5: Solve for x
    x = 219,525,672.63/16,943.03
  6. Step 6: Final answer
    x = 12,956.70

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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.