Home / 19,259.37-28,892.12-8,166.15

Finding the Fourth Proportional to 19,259.37, 28,892.12 and 8,166.15

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Solution

The fourth proportional to 19,259.37, 28,892.12 and 8,166.15 is: 12,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.37 : 28,892.12 = 8,166.15 : x
  2. Step 2: Convert to fraction form
    19,259.37/28,892.12 = 8,166.15/x
  3. Step 3: Cross multiply
    19,259.37x = 28,892.12 × 8,166.15
  4. Step 4: Simplify right side
    19,259.37x = 235,937,344.91
  5. Step 5: Solve for x
    x = 235,937,344.91/19,259.37
  6. Step 6: Final answer
    x = 12,250.52

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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.