Home / 16,455.80-22,707.54-9,741.60

Finding the Fourth Proportional to 16,455.80, 22,707.54 and 9,741.60

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Solution

The fourth proportional to 16,455.80, 22,707.54 and 9,741.60 is: 13,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.80 : 22,707.54 = 9,741.60 : x
  2. Step 2: Convert to fraction form
    16,455.80/22,707.54 = 9,741.60/x
  3. Step 3: Cross multiply
    16,455.80x = 22,707.54 × 9,741.60
  4. Step 4: Simplify right side
    16,455.80x = 221,207,771.66
  5. Step 5: Solve for x
    x = 221,207,771.66/16,455.80
  6. Step 6: Final answer
    x = 13,442.54

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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.