Home / 19,220.36-26,526.73-11,265.75

Finding the Fourth Proportional to 19,220.36, 26,526.73 and 11,265.75

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Solution

The fourth proportional to 19,220.36, 26,526.73 and 11,265.75 is: 15,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.36 : 26,526.73 = 11,265.75 : x
  2. Step 2: Convert to fraction form
    19,220.36/26,526.73 = 11,265.75/x
  3. Step 3: Cross multiply
    19,220.36x = 26,526.73 × 11,265.75
  4. Step 4: Simplify right side
    19,220.36x = 298,843,452.17
  5. Step 5: Solve for x
    x = 298,843,452.17/19,220.36
  6. Step 6: Final answer
    x = 15,548.28

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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.