Home / 18,820.14-25,972.92-10,756.32

Finding the Fourth Proportional to 18,820.14, 25,972.92 and 10,756.32

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Solution

The fourth proportional to 18,820.14, 25,972.92 and 10,756.32 is: 14,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.14 : 25,972.92 = 10,756.32 : x
  2. Step 2: Convert to fraction form
    18,820.14/25,972.92 = 10,756.32/x
  3. Step 3: Cross multiply
    18,820.14x = 25,972.92 × 10,756.32
  4. Step 4: Simplify right side
    18,820.14x = 279,373,038.85
  5. Step 5: Solve for x
    x = 279,373,038.85/18,820.14
  6. Step 6: Final answer
    x = 14,844.37

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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.