Home / 18,611.16-25,683.86-10,113.19

Finding the Fourth Proportional to 18,611.16, 25,683.86 and 10,113.19

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Solution

The fourth proportional to 18,611.16, 25,683.86 and 10,113.19 is: 13,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.16 : 25,683.86 = 10,113.19 : x
  2. Step 2: Convert to fraction form
    18,611.16/25,683.86 = 10,113.19/x
  3. Step 3: Cross multiply
    18,611.16x = 25,683.86 × 10,113.19
  4. Step 4: Simplify right side
    18,611.16x = 259,745,717.19
  5. Step 5: Solve for x
    x = 259,745,717.19/18,611.16
  6. Step 6: Final answer
    x = 13,956.45

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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.