Home / 14,353.15-21,521.44-5,577.81

Finding the Fourth Proportional to 14,353.15, 21,521.44 and 5,577.81

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Solution

The fourth proportional to 14,353.15, 21,521.44 and 5,577.81 is: 8,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.15 : 21,521.44 = 5,577.81 : x
  2. Step 2: Convert to fraction form
    14,353.15/21,521.44 = 5,577.81/x
  3. Step 3: Cross multiply
    14,353.15x = 21,521.44 × 5,577.81
  4. Step 4: Simplify right side
    14,353.15x = 120,042,367.75
  5. Step 5: Solve for x
    x = 120,042,367.75/14,353.15
  6. Step 6: Final answer
    x = 8,363.49

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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.