Home / 18,291.06-25,241.53-9,907.50

Finding the Fourth Proportional to 18,291.06, 25,241.53 and 9,907.50

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Solution

The fourth proportional to 18,291.06, 25,241.53 and 9,907.50 is: 13,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.06 : 25,241.53 = 9,907.50 : x
  2. Step 2: Convert to fraction form
    18,291.06/25,241.53 = 9,907.50/x
  3. Step 3: Cross multiply
    18,291.06x = 25,241.53 × 9,907.50
  4. Step 4: Simplify right side
    18,291.06x = 250,080,458.48
  5. Step 5: Solve for x
    x = 250,080,458.48/18,291.06
  6. Step 6: Final answer
    x = 13,672.28

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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.