Home / 16,816.67-23,205.65-9,743.55

Finding the Fourth Proportional to 16,816.67, 23,205.65 and 9,743.55

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Solution

The fourth proportional to 16,816.67, 23,205.65 and 9,743.55 is: 13,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.67 : 23,205.65 = 9,743.55 : x
  2. Step 2: Convert to fraction form
    16,816.67/23,205.65 = 9,743.55/x
  3. Step 3: Cross multiply
    16,816.67x = 23,205.65 × 9,743.55
  4. Step 4: Simplify right side
    16,816.67x = 226,105,411.06
  5. Step 5: Solve for x
    x = 226,105,411.06/16,816.67
  6. Step 6: Final answer
    x = 13,445.31

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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.