Home / 19,214.89-28,631.32-17,118.79

Finding the Fourth Proportional to 19,214.89, 28,631.32 and 17,118.79

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Solution

The fourth proportional to 19,214.89, 28,631.32 and 17,118.79 is: 25,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.89 : 28,631.32 = 17,118.79 : x
  2. Step 2: Convert to fraction form
    19,214.89/28,631.32 = 17,118.79/x
  3. Step 3: Cross multiply
    19,214.89x = 28,631.32 × 17,118.79
  4. Step 4: Simplify right side
    19,214.89x = 490,133,504.32
  5. Step 5: Solve for x
    x = 490,133,504.32/19,214.89
  6. Step 6: Final answer
    x = 25,508.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.