Home / 19,266.12-28,904.40-6,118.80

Finding the Fourth Proportional to 19,266.12, 28,904.40 and 6,118.80

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Solution

The fourth proportional to 19,266.12, 28,904.40 and 6,118.80 is: 9,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.12 : 28,904.40 = 6,118.80 : x
  2. Step 2: Convert to fraction form
    19,266.12/28,904.40 = 6,118.80/x
  3. Step 3: Cross multiply
    19,266.12x = 28,904.40 × 6,118.80
  4. Step 4: Simplify right side
    19,266.12x = 176,860,242.72
  5. Step 5: Solve for x
    x = 176,860,242.72/19,266.12
  6. Step 6: Final answer
    x = 9,179.86

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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.