Home / 16,838.55-23,236.15-9,285.21

Finding the Fourth Proportional to 16,838.55, 23,236.15 and 9,285.21

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Solution

The fourth proportional to 16,838.55, 23,236.15 and 9,285.21 is: 12,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.55 : 23,236.15 = 9,285.21 : x
  2. Step 2: Convert to fraction form
    16,838.55/23,236.15 = 9,285.21/x
  3. Step 3: Cross multiply
    16,838.55x = 23,236.15 × 9,285.21
  4. Step 4: Simplify right side
    16,838.55x = 215,752,532.34
  5. Step 5: Solve for x
    x = 215,752,532.34/16,838.55
  6. Step 6: Final answer
    x = 12,813.01

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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.