Home / 19,073.40-28,614.12-5,746.80

Finding the Fourth Proportional to 19,073.40, 28,614.12 and 5,746.80

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Solution

The fourth proportional to 19,073.40, 28,614.12 and 5,746.80 is: 8,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.40 : 28,614.12 = 5,746.80 : x
  2. Step 2: Convert to fraction form
    19,073.40/28,614.12 = 5,746.80/x
  3. Step 3: Cross multiply
    19,073.40x = 28,614.12 × 5,746.80
  4. Step 4: Simplify right side
    19,073.40x = 164,439,624.82
  5. Step 5: Solve for x
    x = 164,439,624.82/19,073.40
  6. Step 6: Final answer
    x = 8,621.41

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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.