Home / 16,802.30-23,185.81-9,729.17

Finding the Fourth Proportional to 16,802.30, 23,185.81 and 9,729.17

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Solution

The fourth proportional to 16,802.30, 23,185.81 and 9,729.17 is: 13,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.30 : 23,185.81 = 9,729.17 : x
  2. Step 2: Convert to fraction form
    16,802.30/23,185.81 = 9,729.17/x
  3. Step 3: Cross multiply
    16,802.30x = 23,185.81 × 9,729.17
  4. Step 4: Simplify right side
    16,802.30x = 225,578,687.08
  5. Step 5: Solve for x
    x = 225,578,687.08/16,802.30
  6. Step 6: Final answer
    x = 13,425.46

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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.