Home / 25,530.56-35,236.32-21,337.28

Finding the Fourth Proportional to 25,530.56, 35,236.32 and 21,337.28

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Solution

The fourth proportional to 25,530.56, 35,236.32 and 21,337.28 is: 29,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.56 : 35,236.32 = 21,337.28 : x
  2. Step 2: Convert to fraction form
    25,530.56/35,236.32 = 21,337.28/x
  3. Step 3: Cross multiply
    25,530.56x = 35,236.32 × 21,337.28
  4. Step 4: Simplify right side
    25,530.56x = 751,847,226.01
  5. Step 5: Solve for x
    x = 751,847,226.01/25,530.56
  6. Step 6: Final answer
    x = 29,448.91

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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.