Home / 19,209.94-28,818.40-9,349.24

Finding the Fourth Proportional to 19,209.94, 28,818.40 and 9,349.24

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Solution

The fourth proportional to 19,209.94, 28,818.40 and 9,349.24 is: 14,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.94 : 28,818.40 = 9,349.24 : x
  2. Step 2: Convert to fraction form
    19,209.94/28,818.40 = 9,349.24/x
  3. Step 3: Cross multiply
    19,209.94x = 28,818.40 × 9,349.24
  4. Step 4: Simplify right side
    19,209.94x = 269,430,138.02
  5. Step 5: Solve for x
    x = 269,430,138.02/19,209.94
  6. Step 6: Final answer
    x = 14,025.56

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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.