Home / 14,757.64-22,139.27-4,765.05

Finding the Fourth Proportional to 14,757.64, 22,139.27 and 4,765.05

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Solution

The fourth proportional to 14,757.64, 22,139.27 and 4,765.05 is: 7,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.64 : 22,139.27 = 4,765.05 : x
  2. Step 2: Convert to fraction form
    14,757.64/22,139.27 = 4,765.05/x
  3. Step 3: Cross multiply
    14,757.64x = 22,139.27 × 4,765.05
  4. Step 4: Simplify right side
    14,757.64x = 105,494,846.65
  5. Step 5: Solve for x
    x = 105,494,846.65/14,757.64
  6. Step 6: Final answer
    x = 7,148.49

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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.