Home / 19,526.76-29,135.16-19,078.80

Finding the Fourth Proportional to 19,526.76, 29,135.16 and 19,078.80

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Solution

The fourth proportional to 19,526.76, 29,135.16 and 19,078.80 is: 28,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.76 : 29,135.16 = 19,078.80 : x
  2. Step 2: Convert to fraction form
    19,526.76/29,135.16 = 19,078.80/x
  3. Step 3: Cross multiply
    19,526.76x = 29,135.16 × 19,078.80
  4. Step 4: Simplify right side
    19,526.76x = 555,863,890.61
  5. Step 5: Solve for x
    x = 555,863,890.61/19,526.76
  6. Step 6: Final answer
    x = 28,466.78

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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.