Home / 14,325.66-21,501.90-7,757.01

Finding the Fourth Proportional to 14,325.66, 21,501.90 and 7,757.01

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Solution

The fourth proportional to 14,325.66, 21,501.90 and 7,757.01 is: 11,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.66 : 21,501.90 = 7,757.01 : x
  2. Step 2: Convert to fraction form
    14,325.66/21,501.90 = 7,757.01/x
  3. Step 3: Cross multiply
    14,325.66x = 21,501.90 × 7,757.01
  4. Step 4: Simplify right side
    14,325.66x = 166,790,453.32
  5. Step 5: Solve for x
    x = 166,790,453.32/14,325.66
  6. Step 6: Final answer
    x = 11,642.78

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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.