Home / 25,611.39-35,347.19-15,005.25

Finding the Fourth Proportional to 25,611.39, 35,347.19 and 15,005.25

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Solution

The fourth proportional to 25,611.39, 35,347.19 and 15,005.25 is: 20,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.39 : 35,347.19 = 15,005.25 : x
  2. Step 2: Convert to fraction form
    25,611.39/35,347.19 = 15,005.25/x
  3. Step 3: Cross multiply
    25,611.39x = 35,347.19 × 15,005.25
  4. Step 4: Simplify right side
    25,611.39x = 530,393,347.72
  5. Step 5: Solve for x
    x = 530,393,347.72/25,611.39
  6. Step 6: Final answer
    x = 20,709.28

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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.