Home / 16,881.50-23,295.44-9,806.55

Finding the Fourth Proportional to 16,881.50, 23,295.44 and 9,806.55

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Solution

The fourth proportional to 16,881.50, 23,295.44 and 9,806.55 is: 13,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.50 : 23,295.44 = 9,806.55 : x
  2. Step 2: Convert to fraction form
    16,881.50/23,295.44 = 9,806.55/x
  3. Step 3: Cross multiply
    16,881.50x = 23,295.44 × 9,806.55
  4. Step 4: Simplify right side
    16,881.50x = 228,447,848.10
  5. Step 5: Solve for x
    x = 228,447,848.10/16,881.50
  6. Step 6: Final answer
    x = 13,532.44

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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.