Home / 14,395.05-21,561.27-6,983.91

Finding the Fourth Proportional to 14,395.05, 21,561.27 and 6,983.91

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Solution

The fourth proportional to 14,395.05, 21,561.27 and 6,983.91 is: 10,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.05 : 21,561.27 = 6,983.91 : x
  2. Step 2: Convert to fraction form
    14,395.05/21,561.27 = 6,983.91/x
  3. Step 3: Cross multiply
    14,395.05x = 21,561.27 × 6,983.91
  4. Step 4: Simplify right side
    14,395.05x = 150,581,969.17
  5. Step 5: Solve for x
    x = 150,581,969.17/14,395.05
  6. Step 6: Final answer
    x = 10,460.68

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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.