Home / 25,533.92-35,234.96-15,978.08

Finding the Fourth Proportional to 25,533.92, 35,234.96 and 15,978.08

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Solution

The fourth proportional to 25,533.92, 35,234.96 and 15,978.08 is: 22,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.92 : 35,234.96 = 15,978.08 : x
  2. Step 2: Convert to fraction form
    25,533.92/35,234.96 = 15,978.08/x
  3. Step 3: Cross multiply
    25,533.92x = 35,234.96 × 15,978.08
  4. Step 4: Simplify right side
    25,533.92x = 562,987,009.68
  5. Step 5: Solve for x
    x = 562,987,009.68/25,533.92
  6. Step 6: Final answer
    x = 22,048.59

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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.