Home / 16,600.79-22,908.60-9,889.40

Finding the Fourth Proportional to 16,600.79, 22,908.60 and 9,889.40

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Solution

The fourth proportional to 16,600.79, 22,908.60 and 9,889.40 is: 13,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,600.79 : 22,908.60 = 9,889.40 : x
  2. Step 2: Convert to fraction form
    16,600.79/22,908.60 = 9,889.40/x
  3. Step 3: Cross multiply
    16,600.79x = 22,908.60 × 9,889.40
  4. Step 4: Simplify right side
    16,600.79x = 226,552,194.30
  5. Step 5: Solve for x
    x = 226,552,194.30/16,600.79
  6. Step 6: Final answer
    x = 13,647.08

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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.