Home / 25,383.15-35,029.56-16,870.44

Finding the Fourth Proportional to 25,383.15, 35,029.56 and 16,870.44

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Solution

The fourth proportional to 25,383.15, 35,029.56 and 16,870.44 is: 23,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.15 : 35,029.56 = 16,870.44 : x
  2. Step 2: Convert to fraction form
    25,383.15/35,029.56 = 16,870.44/x
  3. Step 3: Cross multiply
    25,383.15x = 35,029.56 × 16,870.44
  4. Step 4: Simplify right side
    25,383.15x = 590,964,090.21
  5. Step 5: Solve for x
    x = 590,964,090.21/25,383.15
  6. Step 6: Final answer
    x = 23,281.75

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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.