Home / 19,155.79-26,428.83-11,599.70

Finding the Fourth Proportional to 19,155.79, 26,428.83 and 11,599.70

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Solution

The fourth proportional to 19,155.79, 26,428.83 and 11,599.70 is: 16,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.79 : 26,428.83 = 11,599.70 : x
  2. Step 2: Convert to fraction form
    19,155.79/26,428.83 = 11,599.70/x
  3. Step 3: Cross multiply
    19,155.79x = 26,428.83 × 11,599.70
  4. Step 4: Simplify right side
    19,155.79x = 306,566,499.35
  5. Step 5: Solve for x
    x = 306,566,499.35/19,155.79
  6. Step 6: Final answer
    x = 16,003.86

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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.