Home / 25,060.77-34,504.97-21,276.45

Finding the Fourth Proportional to 25,060.77, 34,504.97 and 21,276.45

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Solution

The fourth proportional to 25,060.77, 34,504.97 and 21,276.45 is: 29,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,060.77 : 34,504.97 = 21,276.45 : x
  2. Step 2: Convert to fraction form
    25,060.77/34,504.97 = 21,276.45/x
  3. Step 3: Cross multiply
    25,060.77x = 34,504.97 × 21,276.45
  4. Step 4: Simplify right side
    25,060.77x = 734,143,162.57
  5. Step 5: Solve for x
    x = 734,143,162.57/25,060.77
  6. Step 6: Final answer
    x = 29,294.52

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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.