Home / 19,380.76-26,742.66-10,883.32

Finding the Fourth Proportional to 19,380.76, 26,742.66 and 10,883.32

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Solution

The fourth proportional to 19,380.76, 26,742.66 and 10,883.32 is: 15,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.76 : 26,742.66 = 10,883.32 : x
  2. Step 2: Convert to fraction form
    19,380.76/26,742.66 = 10,883.32/x
  3. Step 3: Cross multiply
    19,380.76x = 26,742.66 × 10,883.32
  4. Step 4: Simplify right side
    19,380.76x = 291,048,926.43
  5. Step 5: Solve for x
    x = 291,048,926.43/19,380.76
  6. Step 6: Final answer
    x = 15,017.42

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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.