Home / 14,014.84-21,015.92-4,150.66

Finding the Fourth Proportional to 14,014.84, 21,015.92 and 4,150.66

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Solution

The fourth proportional to 14,014.84, 21,015.92 and 4,150.66 is: 6,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.84 : 21,015.92 = 4,150.66 : x
  2. Step 2: Convert to fraction form
    14,014.84/21,015.92 = 4,150.66/x
  3. Step 3: Cross multiply
    14,014.84x = 21,015.92 × 4,150.66
  4. Step 4: Simplify right side
    14,014.84x = 87,229,938.51
  5. Step 5: Solve for x
    x = 87,229,938.51/14,014.84
  6. Step 6: Final answer
    x = 6,224.11

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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.