Home / 14,015.20-21,027.18-4,154.53

Finding the Fourth Proportional to 14,015.20, 21,027.18 and 4,154.53

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Solution

The fourth proportional to 14,015.20, 21,027.18 and 4,154.53 is: 6,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.20 : 21,027.18 = 4,154.53 : x
  2. Step 2: Convert to fraction form
    14,015.20/21,027.18 = 4,154.53/x
  3. Step 3: Cross multiply
    14,015.20x = 21,027.18 × 4,154.53
  4. Step 4: Simplify right side
    14,015.20x = 87,358,050.13
  5. Step 5: Solve for x
    x = 87,358,050.13/14,015.20
  6. Step 6: Final answer
    x = 6,233.09

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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.