Home / 18,539.63-25,584.78-10,156.13

Finding the Fourth Proportional to 18,539.63, 25,584.78 and 10,156.13

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Solution

The fourth proportional to 18,539.63, 25,584.78 and 10,156.13 is: 14,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.63 : 25,584.78 = 10,156.13 : x
  2. Step 2: Convert to fraction form
    18,539.63/25,584.78 = 10,156.13/x
  3. Step 3: Cross multiply
    18,539.63x = 25,584.78 × 10,156.13
  4. Step 4: Simplify right side
    18,539.63x = 259,842,223.78
  5. Step 5: Solve for x
    x = 259,842,223.78/18,539.63
  6. Step 6: Final answer
    x = 14,015.51

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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.