Home / 19,011.25-28,520.70-5,863.06

Finding the Fourth Proportional to 19,011.25, 28,520.70 and 5,863.06

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Solution

The fourth proportional to 19,011.25, 28,520.70 and 5,863.06 is: 8,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.25 : 28,520.70 = 5,863.06 : x
  2. Step 2: Convert to fraction form
    19,011.25/28,520.70 = 5,863.06/x
  3. Step 3: Cross multiply
    19,011.25x = 28,520.70 × 5,863.06
  4. Step 4: Simplify right side
    19,011.25x = 167,218,575.34
  5. Step 5: Solve for x
    x = 167,218,575.34/19,011.25
  6. Step 6: Final answer
    x = 8,795.77

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1.5x scale

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.