Home / 16,886.34-23,306.90-9,816.84

Finding the Fourth Proportional to 16,886.34, 23,306.90 and 9,816.84

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Solution

The fourth proportional to 16,886.34, 23,306.90 and 9,816.84 is: 13,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.34 : 23,306.90 = 9,816.84 : x
  2. Step 2: Convert to fraction form
    16,886.34/23,306.90 = 9,816.84/x
  3. Step 3: Cross multiply
    16,886.34x = 23,306.90 × 9,816.84
  4. Step 4: Simplify right side
    16,886.34x = 228,800,059.11
  5. Step 5: Solve for x
    x = 228,800,059.11/16,886.34
  6. Step 6: Final answer
    x = 13,549.42

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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.