Home / 19,287.96-26,616.14-10,788.61

Finding the Fourth Proportional to 19,287.96, 26,616.14 and 10,788.61

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Solution

The fourth proportional to 19,287.96, 26,616.14 and 10,788.61 is: 14,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.96 : 26,616.14 = 10,788.61 : x
  2. Step 2: Convert to fraction form
    19,287.96/26,616.14 = 10,788.61/x
  3. Step 3: Cross multiply
    19,287.96x = 26,616.14 × 10,788.61
  4. Step 4: Simplify right side
    19,287.96x = 287,151,154.17
  5. Step 5: Solve for x
    x = 287,151,154.17/19,287.96
  6. Step 6: Final answer
    x = 14,887.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.