Home / 14,041.22-21,046.70-7,460.78

Finding the Fourth Proportional to 14,041.22, 21,046.70 and 7,460.78

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Solution

The fourth proportional to 14,041.22, 21,046.70 and 7,460.78 is: 11,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.22 : 21,046.70 = 7,460.78 : x
  2. Step 2: Convert to fraction form
    14,041.22/21,046.70 = 7,460.78/x
  3. Step 3: Cross multiply
    14,041.22x = 21,046.70 × 7,460.78
  4. Step 4: Simplify right side
    14,041.22x = 157,024,798.43
  5. Step 5: Solve for x
    x = 157,024,798.43/14,041.22
  6. Step 6: Final answer
    x = 11,183.13

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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.