Home / 16,889.77-23,302.20-10,928.98

Finding the Fourth Proportional to 16,889.77, 23,302.20 and 10,928.98

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Solution

The fourth proportional to 16,889.77, 23,302.20 and 10,928.98 is: 15,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.77 : 23,302.20 = 10,928.98 : x
  2. Step 2: Convert to fraction form
    16,889.77/23,302.20 = 10,928.98/x
  3. Step 3: Cross multiply
    16,889.77x = 23,302.20 × 10,928.98
  4. Step 4: Simplify right side
    16,889.77x = 254,669,277.76
  5. Step 5: Solve for x
    x = 254,669,277.76/16,889.77
  6. Step 6: Final answer
    x = 15,078.32

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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.