Home / 18,286.56-25,235.55-10,329.53

Finding the Fourth Proportional to 18,286.56, 25,235.55 and 10,329.53

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Solution

The fourth proportional to 18,286.56, 25,235.55 and 10,329.53 is: 14,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.56 : 25,235.55 = 10,329.53 : x
  2. Step 2: Convert to fraction form
    18,286.56/25,235.55 = 10,329.53/x
  3. Step 3: Cross multiply
    18,286.56x = 25,235.55 × 10,329.53
  4. Step 4: Simplify right side
    18,286.56x = 260,671,244.61
  5. Step 5: Solve for x
    x = 260,671,244.61/18,286.56
  6. Step 6: Final answer
    x = 14,254.80

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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.