Home / 19,259.40-28,889.82-9,406.92

Finding the Fourth Proportional to 19,259.40, 28,889.82 and 9,406.92

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Solution

The fourth proportional to 19,259.40, 28,889.82 and 9,406.92 is: 14,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.40 : 28,889.82 = 9,406.92 : x
  2. Step 2: Convert to fraction form
    19,259.40/28,889.82 = 9,406.92/x
  3. Step 3: Cross multiply
    19,259.40x = 28,889.82 × 9,406.92
  4. Step 4: Simplify right side
    19,259.40x = 271,764,225.55
  5. Step 5: Solve for x
    x = 271,764,225.55/19,259.40
  6. Step 6: Final answer
    x = 14,110.73

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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.