Home / 25,062.09-34,506.78-21,277.77

Finding the Fourth Proportional to 25,062.09, 34,506.78 and 21,277.77

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Solution

The fourth proportional to 25,062.09, 34,506.78 and 21,277.77 is: 29,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,062.09 : 34,506.78 = 21,277.77 : x
  2. Step 2: Convert to fraction form
    25,062.09/34,506.78 = 21,277.77/x
  3. Step 3: Cross multiply
    25,062.09x = 34,506.78 × 21,277.77
  4. Step 4: Simplify right side
    25,062.09x = 734,227,328.28
  5. Step 5: Solve for x
    x = 734,227,328.28/25,062.09
  6. Step 6: Final answer
    x = 29,296.33

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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.