Home / 19,408.42-26,783.66-10,911.02

Finding the Fourth Proportional to 19,408.42, 26,783.66 and 10,911.02

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Solution

The fourth proportional to 19,408.42, 26,783.66 and 10,911.02 is: 15,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.42 : 26,783.66 = 10,911.02 : x
  2. Step 2: Convert to fraction form
    19,408.42/26,783.66 = 10,911.02/x
  3. Step 3: Cross multiply
    19,408.42x = 26,783.66 × 10,911.02
  4. Step 4: Simplify right side
    19,408.42x = 292,236,995.38
  5. Step 5: Solve for x
    x = 292,236,995.38/19,408.42
  6. Step 6: Final answer
    x = 15,057.23

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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.