Home / 16,838.19-23,236.25-9,284.40

Finding the Fourth Proportional to 16,838.19, 23,236.25 and 9,284.40

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Solution

The fourth proportional to 16,838.19, 23,236.25 and 9,284.40 is: 12,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.19 : 23,236.25 = 9,284.40 : x
  2. Step 2: Convert to fraction form
    16,838.19/23,236.25 = 9,284.40/x
  3. Step 3: Cross multiply
    16,838.19x = 23,236.25 × 9,284.40
  4. Step 4: Simplify right side
    16,838.19x = 215,734,593.08
  5. Step 5: Solve for x
    x = 215,734,593.08/16,838.19
  6. Step 6: Final answer
    x = 12,812.22

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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.