Home / 19,014.32-28,502.04-7,322.96

Finding the Fourth Proportional to 19,014.32, 28,502.04 and 7,322.96

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Solution

The fourth proportional to 19,014.32, 28,502.04 and 7,322.96 is: 10,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.32 : 28,502.04 = 7,322.96 : x
  2. Step 2: Convert to fraction form
    19,014.32/28,502.04 = 7,322.96/x
  3. Step 3: Cross multiply
    19,014.32x = 28,502.04 × 7,322.96
  4. Step 4: Simplify right side
    19,014.32x = 208,719,298.84
  5. Step 5: Solve for x
    x = 208,719,298.84/19,014.32
  6. Step 6: Final answer
    x = 10,976.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.