Home / 25,506.32-35,202.89-21,250.63

Finding the Fourth Proportional to 25,506.32, 35,202.89 and 21,250.63

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Solution

The fourth proportional to 25,506.32, 35,202.89 and 21,250.63 is: 29,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,506.32 : 35,202.89 = 21,250.63 : x
  2. Step 2: Convert to fraction form
    25,506.32/35,202.89 = 21,250.63/x
  3. Step 3: Cross multiply
    25,506.32x = 35,202.89 × 21,250.63
  4. Step 4: Simplify right side
    25,506.32x = 748,083,555.44
  5. Step 5: Solve for x
    x = 748,083,555.44/25,506.32
  6. Step 6: Final answer
    x = 29,329.35

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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.