Home / 14,386.26-21,582.60-5,621.25

Finding the Fourth Proportional to 14,386.26, 21,582.60 and 5,621.25

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Solution

The fourth proportional to 14,386.26, 21,582.60 and 5,621.25 is: 8,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.26 : 21,582.60 = 5,621.25 : x
  2. Step 2: Convert to fraction form
    14,386.26/21,582.60 = 5,621.25/x
  3. Step 3: Cross multiply
    14,386.26x = 21,582.60 × 5,621.25
  4. Step 4: Simplify right side
    14,386.26x = 121,321,190.25
  5. Step 5: Solve for x
    x = 121,321,190.25/14,386.26
  6. Step 6: Final answer
    x = 8,433.13

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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.