Home / 19,029.60-28,545.76-5,880.28

Finding the Fourth Proportional to 19,029.60, 28,545.76 and 5,880.28

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Solution

The fourth proportional to 19,029.60, 28,545.76 and 5,880.28 is: 8,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.60 : 28,545.76 = 5,880.28 : x
  2. Step 2: Convert to fraction form
    19,029.60/28,545.76 = 5,880.28/x
  3. Step 3: Cross multiply
    19,029.60x = 28,545.76 × 5,880.28
  4. Step 4: Simplify right side
    19,029.60x = 167,857,061.61
  5. Step 5: Solve for x
    x = 167,857,061.61/19,029.60
  6. Step 6: Final answer
    x = 8,820.84

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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.