Home / 19,208.16-28,773.90-9,317.43

Finding the Fourth Proportional to 19,208.16, 28,773.90 and 9,317.43

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Solution

The fourth proportional to 19,208.16, 28,773.90 and 9,317.43 is: 13,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.16 : 28,773.90 = 9,317.43 : x
  2. Step 2: Convert to fraction form
    19,208.16/28,773.90 = 9,317.43/x
  3. Step 3: Cross multiply
    19,208.16x = 28,773.90 × 9,317.43
  4. Step 4: Simplify right side
    19,208.16x = 268,098,799.08
  5. Step 5: Solve for x
    x = 268,098,799.08/19,208.16
  6. Step 6: Final answer
    x = 13,957.55

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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.