Home / 19,215.06-28,631.58-17,118.96

Finding the Fourth Proportional to 19,215.06, 28,631.58 and 17,118.96

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Solution

The fourth proportional to 19,215.06, 28,631.58 and 17,118.96 is: 25,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.06 : 28,631.58 = 17,118.96 : x
  2. Step 2: Convert to fraction form
    19,215.06/28,631.58 = 17,118.96/x
  3. Step 3: Cross multiply
    19,215.06x = 28,631.58 × 17,118.96
  4. Step 4: Simplify right side
    19,215.06x = 490,142,787.16
  5. Step 5: Solve for x
    x = 490,142,787.16/19,215.06
  6. Step 6: Final answer
    x = 25,508.26

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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.