Home / 16,220.36-22,388.34-10,569.20

Finding the Fourth Proportional to 16,220.36, 22,388.34 and 10,569.20

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Solution

The fourth proportional to 16,220.36, 22,388.34 and 10,569.20 is: 14,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.36 : 22,388.34 = 10,569.20 : x
  2. Step 2: Convert to fraction form
    16,220.36/22,388.34 = 10,569.20/x
  3. Step 3: Cross multiply
    16,220.36x = 22,388.34 × 10,569.20
  4. Step 4: Simplify right side
    16,220.36x = 236,626,843.13
  5. Step 5: Solve for x
    x = 236,626,843.13/16,220.36
  6. Step 6: Final answer
    x = 14,588.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.