Home / 25,062.21-34,597.31-21,645.63

Finding the Fourth Proportional to 25,062.21, 34,597.31 and 21,645.63

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Solution

The fourth proportional to 25,062.21, 34,597.31 and 21,645.63 is: 29,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,062.21 : 34,597.31 = 21,645.63 : x
  2. Step 2: Convert to fraction form
    25,062.21/34,597.31 = 21,645.63/x
  3. Step 3: Cross multiply
    25,062.21x = 34,597.31 × 21,645.63
  4. Step 4: Simplify right side
    25,062.21x = 748,880,571.26
  5. Step 5: Solve for x
    x = 748,880,571.26/25,062.21
  6. Step 6: Final answer
    x = 29,880.87

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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.