Home / 16,615.47-22,917.93-9,895.92

Finding the Fourth Proportional to 16,615.47, 22,917.93 and 9,895.92

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Solution

The fourth proportional to 16,615.47, 22,917.93 and 9,895.92 is: 13,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.47 : 22,917.93 = 9,895.92 : x
  2. Step 2: Convert to fraction form
    16,615.47/22,917.93 = 9,895.92/x
  3. Step 3: Cross multiply
    16,615.47x = 22,917.93 × 9,895.92
  4. Step 4: Simplify right side
    16,615.47x = 226,794,001.85
  5. Step 5: Solve for x
    x = 226,794,001.85/16,615.47
  6. Step 6: Final answer
    x = 13,649.57

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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.