Home / 18,595.04-25,658.57-10,938.66

Finding the Fourth Proportional to 18,595.04, 25,658.57 and 10,938.66

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Solution

The fourth proportional to 18,595.04, 25,658.57 and 10,938.66 is: 15,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.04 : 25,658.57 = 10,938.66 : x
  2. Step 2: Convert to fraction form
    18,595.04/25,658.57 = 10,938.66/x
  3. Step 3: Cross multiply
    18,595.04x = 25,658.57 × 10,938.66
  4. Step 4: Simplify right side
    18,595.04x = 280,670,400.66
  5. Step 5: Solve for x
    x = 280,670,400.66/18,595.04
  6. Step 6: Final answer
    x = 15,093.83

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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.