Home / 14,101.52-21,156.60-8,900.24

Finding the Fourth Proportional to 14,101.52, 21,156.60 and 8,900.24

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Solution

The fourth proportional to 14,101.52, 21,156.60 and 8,900.24 is: 13,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.52 : 21,156.60 = 8,900.24 : x
  2. Step 2: Convert to fraction form
    14,101.52/21,156.60 = 8,900.24/x
  3. Step 3: Cross multiply
    14,101.52x = 21,156.60 × 8,900.24
  4. Step 4: Simplify right side
    14,101.52x = 188,298,817.58
  5. Step 5: Solve for x
    x = 188,298,817.58/14,101.52
  6. Step 6: Final answer
    x = 13,353.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.