Home / 14,181.12-19,565.52-7,892.40

Finding the Fourth Proportional to 14,181.12, 19,565.52 and 7,892.40

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Solution

The fourth proportional to 14,181.12, 19,565.52 and 7,892.40 is: 10,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.12 : 19,565.52 = 7,892.40 : x
  2. Step 2: Convert to fraction form
    14,181.12/19,565.52 = 7,892.40/x
  3. Step 3: Cross multiply
    14,181.12x = 19,565.52 × 7,892.40
  4. Step 4: Simplify right side
    14,181.12x = 154,418,910.05
  5. Step 5: Solve for x
    x = 154,418,910.05/14,181.12
  6. Step 6: Final answer
    x = 10,889.05

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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.