Home / 18,626.76-25,707.54-11,555.46

Finding the Fourth Proportional to 18,626.76, 25,707.54 and 11,555.46

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Solution

The fourth proportional to 18,626.76, 25,707.54 and 11,555.46 is: 15,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.76 : 25,707.54 = 11,555.46 : x
  2. Step 2: Convert to fraction form
    18,626.76/25,707.54 = 11,555.46/x
  3. Step 3: Cross multiply
    18,626.76x = 25,707.54 × 11,555.46
  4. Step 4: Simplify right side
    18,626.76x = 297,062,450.17
  5. Step 5: Solve for x
    x = 297,062,450.17/18,626.76
  6. Step 6: Final answer
    x = 15,948.15

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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.