Home / 15,298.17-21,111.34-8,583.66

Finding the Fourth Proportional to 15,298.17, 21,111.34 and 8,583.66

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Solution

The fourth proportional to 15,298.17, 21,111.34 and 8,583.66 is: 11,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.17 : 21,111.34 = 8,583.66 : x
  2. Step 2: Convert to fraction form
    15,298.17/21,111.34 = 8,583.66/x
  3. Step 3: Cross multiply
    15,298.17x = 21,111.34 × 8,583.66
  4. Step 4: Simplify right side
    15,298.17x = 181,212,564.70
  5. Step 5: Solve for x
    x = 181,212,564.70/15,298.17
  6. Step 6: Final answer
    x = 11,845.38

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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.