Home / 19,234.12-28,866.30-8,840.20

Finding the Fourth Proportional to 19,234.12, 28,866.30 and 8,840.20

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Solution

The fourth proportional to 19,234.12, 28,866.30 and 8,840.20 is: 13,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.12 : 28,866.30 = 8,840.20 : x
  2. Step 2: Convert to fraction form
    19,234.12/28,866.30 = 8,840.20/x
  3. Step 3: Cross multiply
    19,234.12x = 28,866.30 × 8,840.20
  4. Step 4: Simplify right side
    19,234.12x = 255,183,865.26
  5. Step 5: Solve for x
    x = 255,183,865.26/19,234.12
  6. Step 6: Final answer
    x = 13,267.25

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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.