Home / 16,764.77-23,135.79-9,211.59

Finding the Fourth Proportional to 16,764.77, 23,135.79 and 9,211.59

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Solution

The fourth proportional to 16,764.77, 23,135.79 and 9,211.59 is: 12,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.77 : 23,135.79 = 9,211.59 : x
  2. Step 2: Convert to fraction form
    16,764.77/23,135.79 = 9,211.59/x
  3. Step 3: Cross multiply
    16,764.77x = 23,135.79 × 9,211.59
  4. Step 4: Simplify right side
    16,764.77x = 213,117,411.81
  5. Step 5: Solve for x
    x = 213,117,411.81/16,764.77
  6. Step 6: Final answer
    x = 12,712.22

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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.