Home / 14,023.56-21,035.40-3,635.40

Finding the Fourth Proportional to 14,023.56, 21,035.40 and 3,635.40

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Solution

The fourth proportional to 14,023.56, 21,035.40 and 3,635.40 is: 5,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.56 : 21,035.40 = 3,635.40 : x
  2. Step 2: Convert to fraction form
    14,023.56/21,035.40 = 3,635.40/x
  3. Step 3: Cross multiply
    14,023.56x = 21,035.40 × 3,635.40
  4. Step 4: Simplify right side
    14,023.56x = 76,472,093.16
  5. Step 5: Solve for x
    x = 76,472,093.16/14,023.56
  6. Step 6: Final answer
    x = 5,453.12

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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.