Home / 14,505.17-21,720.83-9,559.81

Finding the Fourth Proportional to 14,505.17, 21,720.83 and 9,559.81

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Solution

The fourth proportional to 14,505.17, 21,720.83 and 9,559.81 is: 14,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.17 : 21,720.83 = 9,559.81 : x
  2. Step 2: Convert to fraction form
    14,505.17/21,720.83 = 9,559.81/x
  3. Step 3: Cross multiply
    14,505.17x = 21,720.83 × 9,559.81
  4. Step 4: Simplify right side
    14,505.17x = 207,647,048.28
  5. Step 5: Solve for x
    x = 207,647,048.28/14,505.17
  6. Step 6: Final answer
    x = 14,315.38

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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.