Home / 14,019.56-21,027.90-4,660.20

Finding the Fourth Proportional to 14,019.56, 21,027.90 and 4,660.20

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Solution

The fourth proportional to 14,019.56, 21,027.90 and 4,660.20 is: 6,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.56 : 21,027.90 = 4,660.20 : x
  2. Step 2: Convert to fraction form
    14,019.56/21,027.90 = 4,660.20/x
  3. Step 3: Cross multiply
    14,019.56x = 21,027.90 × 4,660.20
  4. Step 4: Simplify right side
    14,019.56x = 97,994,219.58
  5. Step 5: Solve for x
    x = 97,994,219.58/14,019.56
  6. Step 6: Final answer
    x = 6,989.82

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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.