Home / 19,188.48-28,788.46-11,598.22

Finding the Fourth Proportional to 19,188.48, 28,788.46 and 11,598.22

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Solution

The fourth proportional to 19,188.48, 28,788.46 and 11,598.22 is: 17,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.48 : 28,788.46 = 11,598.22 : x
  2. Step 2: Convert to fraction form
    19,188.48/28,788.46 = 11,598.22/x
  3. Step 3: Cross multiply
    19,188.48x = 28,788.46 × 11,598.22
  4. Step 4: Simplify right side
    19,188.48x = 333,894,892.54
  5. Step 5: Solve for x
    x = 333,894,892.54/19,188.48
  6. Step 6: Final answer
    x = 17,400.80

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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.