Home / 19,161.14-26,442.11-10,777.64

Finding the Fourth Proportional to 19,161.14, 26,442.11 and 10,777.64

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Solution

The fourth proportional to 19,161.14, 26,442.11 and 10,777.64 is: 14,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.14 : 26,442.11 = 10,777.64 : x
  2. Step 2: Convert to fraction form
    19,161.14/26,442.11 = 10,777.64/x
  3. Step 3: Cross multiply
    19,161.14x = 26,442.11 × 10,777.64
  4. Step 4: Simplify right side
    19,161.14x = 284,983,437.15
  5. Step 5: Solve for x
    x = 284,983,437.15/19,161.14
  6. Step 6: Final answer
    x = 14,872.99

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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.