Home / 16,870.43-23,279.28-9,795.44

Finding the Fourth Proportional to 16,870.43, 23,279.28 and 9,795.44

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Solution

The fourth proportional to 16,870.43, 23,279.28 and 9,795.44 is: 13,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.43 : 23,279.28 = 9,795.44 : x
  2. Step 2: Convert to fraction form
    16,870.43/23,279.28 = 9,795.44/x
  3. Step 3: Cross multiply
    16,870.43x = 23,279.28 × 9,795.44
  4. Step 4: Simplify right side
    16,870.43x = 228,030,790.48
  5. Step 5: Solve for x
    x = 228,030,790.48/16,870.43
  6. Step 6: Final answer
    x = 13,516.60

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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.