Home / 16,707.84-23,049-9,631.68

Finding the Fourth Proportional to 16,707.84, 23,049 and 9,631.68

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Solution

The fourth proportional to 16,707.84, 23,049 and 9,631.68 is: 13,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.84 : 23,049 = 9,631.68 : x
  2. Step 2: Convert to fraction form
    16,707.84/23,049 = 9,631.68/x
  3. Step 3: Cross multiply
    16,707.84x = 23,049 × 9,631.68
  4. Step 4: Simplify right side
    16,707.84x = 222,000,592.32
  5. Step 5: Solve for x
    x = 222,000,592.32/16,707.84
  6. Step 6: Final answer
    x = 13,287.21

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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.