Home / 18,539.64-25,584.36-10,156.08

Finding the Fourth Proportional to 18,539.64, 25,584.36 and 10,156.08

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Solution

The fourth proportional to 18,539.64, 25,584.36 and 10,156.08 is: 14,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.64 : 25,584.36 = 10,156.08 : x
  2. Step 2: Convert to fraction form
    18,539.64/25,584.36 = 10,156.08/x
  3. Step 3: Cross multiply
    18,539.64x = 25,584.36 × 10,156.08
  4. Step 4: Simplify right side
    18,539.64x = 259,836,806.91
  5. Step 5: Solve for x
    x = 259,836,806.91/18,539.64
  6. Step 6: Final answer
    x = 14,015.20

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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.