Home / 18,529.56-25,557.66-11,459.34

Finding the Fourth Proportional to 18,529.56, 25,557.66 and 11,459.34

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Solution

The fourth proportional to 18,529.56, 25,557.66 and 11,459.34 is: 15,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.56 : 25,557.66 = 11,459.34 : x
  2. Step 2: Convert to fraction form
    18,529.56/25,557.66 = 11,459.34/x
  3. Step 3: Cross multiply
    18,529.56x = 25,557.66 × 11,459.34
  4. Step 4: Simplify right side
    18,529.56x = 292,873,915.54
  5. Step 5: Solve for x
    x = 292,873,915.54/18,529.56
  6. Step 6: Final answer
    x = 15,805.77

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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.