Home / 19,251.01-28,880.57-7,404.76

Finding the Fourth Proportional to 19,251.01, 28,880.57 and 7,404.76

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Solution

The fourth proportional to 19,251.01, 28,880.57 and 7,404.76 is: 11,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.01 : 28,880.57 = 7,404.76 : x
  2. Step 2: Convert to fraction form
    19,251.01/28,880.57 = 7,404.76/x
  3. Step 3: Cross multiply
    19,251.01x = 28,880.57 × 7,404.76
  4. Step 4: Simplify right side
    19,251.01x = 213,853,689.51
  5. Step 5: Solve for x
    x = 213,853,689.51/19,251.01
  6. Step 6: Final answer
    x = 11,108.70

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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.