Home / 19,355.20-29,038.20-9,494.80

Finding the Fourth Proportional to 19,355.20, 29,038.20 and 9,494.80

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Solution

The fourth proportional to 19,355.20, 29,038.20 and 9,494.80 is: 14,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.20 : 29,038.20 = 9,494.80 : x
  2. Step 2: Convert to fraction form
    19,355.20/29,038.20 = 9,494.80/x
  3. Step 3: Cross multiply
    19,355.20x = 29,038.20 × 9,494.80
  4. Step 4: Simplify right side
    19,355.20x = 275,711,901.36
  5. Step 5: Solve for x
    x = 275,711,901.36/19,355.20
  6. Step 6: Final answer
    x = 14,244.85

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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.