Home / 14,043.12-21,050.10-5,719.56

Finding the Fourth Proportional to 14,043.12, 21,050.10 and 5,719.56

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Solution

The fourth proportional to 14,043.12, 21,050.10 and 5,719.56 is: 8,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.12 : 21,050.10 = 5,719.56 : x
  2. Step 2: Convert to fraction form
    14,043.12/21,050.10 = 5,719.56/x
  3. Step 3: Cross multiply
    14,043.12x = 21,050.10 × 5,719.56
  4. Step 4: Simplify right side
    14,043.12x = 120,397,309.96
  5. Step 5: Solve for x
    x = 120,397,309.96/14,043.12
  6. Step 6: Final answer
    x = 8,573.40

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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.