Home / 19,334.30-28,740.69-18,766.76

Finding the Fourth Proportional to 19,334.30, 28,740.69 and 18,766.76

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Solution

The fourth proportional to 19,334.30, 28,740.69 and 18,766.76 is: 27,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.30 : 28,740.69 = 18,766.76 : x
  2. Step 2: Convert to fraction form
    19,334.30/28,740.69 = 18,766.76/x
  3. Step 3: Cross multiply
    19,334.30x = 28,740.69 × 18,766.76
  4. Step 4: Simplify right side
    19,334.30x = 539,369,487.76
  5. Step 5: Solve for x
    x = 539,369,487.76/19,334.30
  6. Step 6: Final answer
    x = 27,897.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.