Home / 14,122.83-21,186.68-5,807.37

Finding the Fourth Proportional to 14,122.83, 21,186.68 and 5,807.37

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Solution

The fourth proportional to 14,122.83, 21,186.68 and 5,807.37 is: 8,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.83 : 21,186.68 = 5,807.37 : x
  2. Step 2: Convert to fraction form
    14,122.83/21,186.68 = 5,807.37/x
  3. Step 3: Cross multiply
    14,122.83x = 21,186.68 × 5,807.37
  4. Step 4: Simplify right side
    14,122.83x = 123,038,889.83
  5. Step 5: Solve for x
    x = 123,038,889.83/14,122.83
  6. Step 6: Final answer
    x = 8,712.06

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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.