Home / 16,702.36-23,049.61-9,149.01

Finding the Fourth Proportional to 16,702.36, 23,049.61 and 9,149.01

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Solution

The fourth proportional to 16,702.36, 23,049.61 and 9,149.01 is: 12,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.36 : 23,049.61 = 9,149.01 : x
  2. Step 2: Convert to fraction form
    16,702.36/23,049.61 = 9,149.01/x
  3. Step 3: Cross multiply
    16,702.36x = 23,049.61 × 9,149.01
  4. Step 4: Simplify right side
    16,702.36x = 210,881,089.51
  5. Step 5: Solve for x
    x = 210,881,089.51/16,702.36
  6. Step 6: Final answer
    x = 12,625.83

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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.