Home / 19,355.10-26,728.47-17,511.90

Finding the Fourth Proportional to 19,355.10, 26,728.47 and 17,511.90

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Solution

The fourth proportional to 19,355.10, 26,728.47 and 17,511.90 is: 24,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.10 : 26,728.47 = 17,511.90 : x
  2. Step 2: Convert to fraction form
    19,355.10/26,728.47 = 17,511.90/x
  3. Step 3: Cross multiply
    19,355.10x = 26,728.47 × 17,511.90
  4. Step 4: Simplify right side
    19,355.10x = 468,066,293.79
  5. Step 5: Solve for x
    x = 468,066,293.79/19,355.10
  6. Step 6: Final answer
    x = 24,183.10

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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.