Home / 18,569.28-25,625.60-10,185.76

Finding the Fourth Proportional to 18,569.28, 25,625.60 and 10,185.76

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Solution

The fourth proportional to 18,569.28, 25,625.60 and 10,185.76 is: 14,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.28 : 25,625.60 = 10,185.76 : x
  2. Step 2: Convert to fraction form
    18,569.28/25,625.60 = 10,185.76/x
  3. Step 3: Cross multiply
    18,569.28x = 25,625.60 × 10,185.76
  4. Step 4: Simplify right side
    18,569.28x = 261,016,211.46
  5. Step 5: Solve for x
    x = 261,016,211.46/18,569.28
  6. Step 6: Final answer
    x = 14,056.35

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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.