Home / 25,487.35-35,206.19-21,252.27

Finding the Fourth Proportional to 25,487.35, 35,206.19 and 21,252.27

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Solution

The fourth proportional to 25,487.35, 35,206.19 and 21,252.27 is: 29,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.35 : 35,206.19 = 21,252.27 : x
  2. Step 2: Convert to fraction form
    25,487.35/35,206.19 = 21,252.27/x
  3. Step 3: Cross multiply
    25,487.35x = 35,206.19 × 21,252.27
  4. Step 4: Simplify right side
    25,487.35x = 748,211,455.55
  5. Step 5: Solve for x
    x = 748,211,455.55/25,487.35
  6. Step 6: Final answer
    x = 29,356.19

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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.