Home / 25,528.36-35,229.96-15,458.68

Finding the Fourth Proportional to 25,528.36, 35,229.96 and 15,458.68

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Solution

The fourth proportional to 25,528.36, 35,229.96 and 15,458.68 is: 21,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.36 : 35,229.96 = 15,458.68 : x
  2. Step 2: Convert to fraction form
    25,528.36/35,229.96 = 15,458.68/x
  3. Step 3: Cross multiply
    25,528.36x = 35,229.96 × 15,458.68
  4. Step 4: Simplify right side
    25,528.36x = 544,608,678.05
  5. Step 5: Solve for x
    x = 544,608,678.05/25,528.36
  6. Step 6: Final answer
    x = 21,333.48

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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.