Home / 19,095.40-28,651.20-9,229.60

Finding the Fourth Proportional to 19,095.40, 28,651.20 and 9,229.60

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Solution

The fourth proportional to 19,095.40, 28,651.20 and 9,229.60 is: 13,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.40 : 28,651.20 = 9,229.60 : x
  2. Step 2: Convert to fraction form
    19,095.40/28,651.20 = 9,229.60/x
  3. Step 3: Cross multiply
    19,095.40x = 28,651.20 × 9,229.60
  4. Step 4: Simplify right side
    19,095.40x = 264,439,115.52
  5. Step 5: Solve for x
    x = 264,439,115.52/19,095.40
  6. Step 6: Final answer
    x = 13,848.32

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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.