Home / 14,015.12-19,340.04-8,045.84

Finding the Fourth Proportional to 14,015.12, 19,340.04 and 8,045.84

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Solution

The fourth proportional to 14,015.12, 19,340.04 and 8,045.84 is: 11,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.12 : 19,340.04 = 8,045.84 : x
  2. Step 2: Convert to fraction form
    14,015.12/19,340.04 = 8,045.84/x
  3. Step 3: Cross multiply
    14,015.12x = 19,340.04 × 8,045.84
  4. Step 4: Simplify right side
    14,015.12x = 155,606,867.43
  5. Step 5: Solve for x
    x = 155,606,867.43/14,015.12
  6. Step 6: Final answer
    x = 11,102.79

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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.