Home / 18,527.31-25,564.93-11,255.63

Finding the Fourth Proportional to 18,527.31, 25,564.93 and 11,255.63

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Solution

The fourth proportional to 18,527.31, 25,564.93 and 11,255.63 is: 15,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.31 : 25,564.93 = 11,255.63 : x
  2. Step 2: Convert to fraction form
    18,527.31/25,564.93 = 11,255.63/x
  3. Step 3: Cross multiply
    18,527.31x = 25,564.93 × 11,255.63
  4. Step 4: Simplify right side
    18,527.31x = 287,749,237.09
  5. Step 5: Solve for x
    x = 287,749,237.09/18,527.31
  6. Step 6: Final answer
    x = 15,531.09

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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.