Home / 25,150.32-34,707.40-13,820.60

Finding the Fourth Proportional to 25,150.32, 34,707.40 and 13,820.60

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Solution

The fourth proportional to 25,150.32, 34,707.40 and 13,820.60 is: 19,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.32 : 34,707.40 = 13,820.60 : x
  2. Step 2: Convert to fraction form
    25,150.32/34,707.40 = 13,820.60/x
  3. Step 3: Cross multiply
    25,150.32x = 34,707.40 × 13,820.60
  4. Step 4: Simplify right side
    25,150.32x = 479,677,092.44
  5. Step 5: Solve for x
    x = 479,677,092.44/25,150.32
  6. Step 6: Final answer
    x = 19,072.41

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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.