Home / 14,869.60-20,518.71-10,408.12

Finding the Fourth Proportional to 14,869.60, 20,518.71 and 10,408.12

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Solution

The fourth proportional to 14,869.60, 20,518.71 and 10,408.12 is: 14,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.60 : 20,518.71 = 10,408.12 : x
  2. Step 2: Convert to fraction form
    14,869.60/20,518.71 = 10,408.12/x
  3. Step 3: Cross multiply
    14,869.60x = 20,518.71 × 10,408.12
  4. Step 4: Simplify right side
    14,869.60x = 213,561,195.93
  5. Step 5: Solve for x
    x = 213,561,195.93/14,869.60
  6. Step 6: Final answer
    x = 14,362.27

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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.