Home / 14,124.90-21,183.80-5,807.22

Finding the Fourth Proportional to 14,124.90, 21,183.80 and 5,807.22

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Solution

The fourth proportional to 14,124.90, 21,183.80 and 5,807.22 is: 8,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.90 : 21,183.80 = 5,807.22 : x
  2. Step 2: Convert to fraction form
    14,124.90/21,183.80 = 5,807.22/x
  3. Step 3: Cross multiply
    14,124.90x = 21,183.80 × 5,807.22
  4. Step 4: Simplify right side
    14,124.90x = 123,018,987.04
  5. Step 5: Solve for x
    x = 123,018,987.04/14,124.90
  6. Step 6: Final answer
    x = 8,709.37

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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.