Home / 22,580.36-31,164.45-13,629.14

Finding the Fourth Proportional to 22,580.36, 31,164.45 and 13,629.14

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Solution

The fourth proportional to 22,580.36, 31,164.45 and 13,629.14 is: 18,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.36 : 31,164.45 = 13,629.14 : x
  2. Step 2: Convert to fraction form
    22,580.36/31,164.45 = 13,629.14/x
  3. Step 3: Cross multiply
    22,580.36x = 31,164.45 × 13,629.14
  4. Step 4: Simplify right side
    22,580.36x = 424,744,652.07
  5. Step 5: Solve for x
    x = 424,744,652.07/22,580.36
  6. Step 6: Final answer
    x = 18,810.36

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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.