Home / 14,125.74-21,189.51-4,766.70

Finding the Fourth Proportional to 14,125.74, 21,189.51 and 4,766.70

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Solution

The fourth proportional to 14,125.74, 21,189.51 and 4,766.70 is: 7,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.74 : 21,189.51 = 4,766.70 : x
  2. Step 2: Convert to fraction form
    14,125.74/21,189.51 = 4,766.70/x
  3. Step 3: Cross multiply
    14,125.74x = 21,189.51 × 4,766.70
  4. Step 4: Simplify right side
    14,125.74x = 101,004,037.32
  5. Step 5: Solve for x
    x = 101,004,037.32/14,125.74
  6. Step 6: Final answer
    x = 7,150.35

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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.