Home / 25,625.77-35,357.54-15,553.96

Finding the Fourth Proportional to 25,625.77, 35,357.54 and 15,553.96

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Solution

The fourth proportional to 25,625.77, 35,357.54 and 15,553.96 is: 21,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.77 : 35,357.54 = 15,553.96 : x
  2. Step 2: Convert to fraction form
    25,625.77/35,357.54 = 15,553.96/x
  3. Step 3: Cross multiply
    25,625.77x = 35,357.54 × 15,553.96
  4. Step 4: Simplify right side
    25,625.77x = 549,949,596.69
  5. Step 5: Solve for x
    x = 549,949,596.69/25,625.77
  6. Step 6: Final answer
    x = 21,460.80

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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.