Home / 16,702.15-23,033.07-9,986.69

Finding the Fourth Proportional to 16,702.15, 23,033.07 and 9,986.69

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Solution

The fourth proportional to 16,702.15, 23,033.07 and 9,986.69 is: 13,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.15 : 23,033.07 = 9,986.69 : x
  2. Step 2: Convert to fraction form
    16,702.15/23,033.07 = 9,986.69/x
  3. Step 3: Cross multiply
    16,702.15x = 23,033.07 × 9,986.69
  4. Step 4: Simplify right side
    16,702.15x = 230,024,129.84
  5. Step 5: Solve for x
    x = 230,024,129.84/16,702.15
  6. Step 6: Final answer
    x = 13,772.13

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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.