Home / 19,014.20-26,239.58-11,460.63

Finding the Fourth Proportional to 19,014.20, 26,239.58 and 11,460.63

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Solution

The fourth proportional to 19,014.20, 26,239.58 and 11,460.63 is: 15,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.20 : 26,239.58 = 11,460.63 : x
  2. Step 2: Convert to fraction form
    19,014.20/26,239.58 = 11,460.63/x
  3. Step 3: Cross multiply
    19,014.20x = 26,239.58 × 11,460.63
  4. Step 4: Simplify right side
    19,014.20x = 300,722,060.43
  5. Step 5: Solve for x
    x = 300,722,060.43/19,014.20
  6. Step 6: Final answer
    x = 15,815.66

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Half scale
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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.