Home / 13,976.17-19,287.17-7,602.76

Finding the Fourth Proportional to 13,976.17, 19,287.17 and 7,602.76

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Solution

The fourth proportional to 13,976.17, 19,287.17 and 7,602.76 is: 10,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.17 : 19,287.17 = 7,602.76 : x
  2. Step 2: Convert to fraction form
    13,976.17/19,287.17 = 7,602.76/x
  3. Step 3: Cross multiply
    13,976.17x = 19,287.17 × 7,602.76
  4. Step 4: Simplify right side
    13,976.17x = 146,635,686.58
  5. Step 5: Solve for x
    x = 146,635,686.58/13,976.17
  6. Step 6: Final answer
    x = 10,491.84

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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.