Home / 18,956.54-26,170.59-13,308.62

Finding the Fourth Proportional to 18,956.54, 26,170.59 and 13,308.62

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Solution

The fourth proportional to 18,956.54, 26,170.59 and 13,308.62 is: 18,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.54 : 26,170.59 = 13,308.62 : x
  2. Step 2: Convert to fraction form
    18,956.54/26,170.59 = 13,308.62/x
  3. Step 3: Cross multiply
    18,956.54x = 26,170.59 × 13,308.62
  4. Step 4: Simplify right side
    18,956.54x = 348,294,437.49
  5. Step 5: Solve for x
    x = 348,294,437.49/18,956.54
  6. Step 6: Final answer
    x = 18,373.31

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Double scale
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Similar ratio
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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.