Home / 19,027.40-28,542.47-5,880.80

Finding the Fourth Proportional to 19,027.40, 28,542.47 and 5,880.80

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Solution

The fourth proportional to 19,027.40, 28,542.47 and 5,880.80 is: 8,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.40 : 28,542.47 = 5,880.80 : x
  2. Step 2: Convert to fraction form
    19,027.40/28,542.47 = 5,880.80/x
  3. Step 3: Cross multiply
    19,027.40x = 28,542.47 × 5,880.80
  4. Step 4: Simplify right side
    19,027.40x = 167,852,385.46
  5. Step 5: Solve for x
    x = 167,852,385.46/19,027.40
  6. Step 6: Final answer
    x = 8,821.61

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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.