Home / 14,579.55-20,109.11-9,535.68

Finding the Fourth Proportional to 14,579.55, 20,109.11 and 9,535.68

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Solution

The fourth proportional to 14,579.55, 20,109.11 and 9,535.68 is: 13,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.55 : 20,109.11 = 9,535.68 : x
  2. Step 2: Convert to fraction form
    14,579.55/20,109.11 = 9,535.68/x
  3. Step 3: Cross multiply
    14,579.55x = 20,109.11 × 9,535.68
  4. Step 4: Simplify right side
    14,579.55x = 191,753,990.37
  5. Step 5: Solve for x
    x = 191,753,990.37/14,579.55
  6. Step 6: Final answer
    x = 13,152.26

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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.