Home / 18,515.84-25,552.50-10,132.36

Finding the Fourth Proportional to 18,515.84, 25,552.50 and 10,132.36

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Solution

The fourth proportional to 18,515.84, 25,552.50 and 10,132.36 is: 13,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.84 : 25,552.50 = 10,132.36 : x
  2. Step 2: Convert to fraction form
    18,515.84/25,552.50 = 10,132.36/x
  3. Step 3: Cross multiply
    18,515.84x = 25,552.50 × 10,132.36
  4. Step 4: Simplify right side
    18,515.84x = 258,907,128.90
  5. Step 5: Solve for x
    x = 258,907,128.90/18,515.84
  6. Step 6: Final answer
    x = 13,983.01

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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.