Home / 38,014.50-57,029.34-11,718.12

Finding the Fourth Proportional to 38,014.50, 57,029.34 and 11,718.12

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Solution

The fourth proportional to 38,014.50, 57,029.34 and 11,718.12 is: 17,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.50 : 57,029.34 = 11,718.12 : x
  2. Step 2: Convert to fraction form
    38,014.50/57,029.34 = 11,718.12/x
  3. Step 3: Cross multiply
    38,014.50x = 57,029.34 × 11,718.12
  4. Step 4: Simplify right side
    38,014.50x = 668,276,649.64
  5. Step 5: Solve for x
    x = 668,276,649.64/38,014.50
  6. Step 6: Final answer
    x = 17,579.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.