Home / 18,608.28-25,679.40-10,225.32

Finding the Fourth Proportional to 18,608.28, 25,679.40 and 10,225.32

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Solution

The fourth proportional to 18,608.28, 25,679.40 and 10,225.32 is: 14,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.28 : 25,679.40 = 10,225.32 : x
  2. Step 2: Convert to fraction form
    18,608.28/25,679.40 = 10,225.32/x
  3. Step 3: Cross multiply
    18,608.28x = 25,679.40 × 10,225.32
  4. Step 4: Simplify right side
    18,608.28x = 262,580,082.41
  5. Step 5: Solve for x
    x = 262,580,082.41/18,608.28
  6. Step 6: Final answer
    x = 14,110.93

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Half 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.