Home / 19,215.56-26,520.04-11,260.94

Finding the Fourth Proportional to 19,215.56, 26,520.04 and 11,260.94

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Solution

The fourth proportional to 19,215.56, 26,520.04 and 11,260.94 is: 15,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.56 : 26,520.04 = 11,260.94 : x
  2. Step 2: Convert to fraction form
    19,215.56/26,520.04 = 11,260.94/x
  3. Step 3: Cross multiply
    19,215.56x = 26,520.04 × 11,260.94
  4. Step 4: Simplify right side
    19,215.56x = 298,640,579.24
  5. Step 5: Solve for x
    x = 298,640,579.24/19,215.56
  6. Step 6: Final answer
    x = 15,541.60

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Double scale
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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.