Home / 14,442.96-19,932.62-8,776.40

Finding the Fourth Proportional to 14,442.96, 19,932.62 and 8,776.40

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Solution

The fourth proportional to 14,442.96, 19,932.62 and 8,776.40 is: 12,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.96 : 19,932.62 = 8,776.40 : x
  2. Step 2: Convert to fraction form
    14,442.96/19,932.62 = 8,776.40/x
  3. Step 3: Cross multiply
    14,442.96x = 19,932.62 × 8,776.40
  4. Step 4: Simplify right side
    14,442.96x = 174,936,502.62
  5. Step 5: Solve for x
    x = 174,936,502.62/14,442.96
  6. Step 6: Final answer
    x = 12,112.23

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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.