Home / 29,647.28-40,923.66-18,325.46

Finding the Fourth Proportional to 29,647.28, 40,923.66 and 18,325.46

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Solution

The fourth proportional to 29,647.28, 40,923.66 and 18,325.46 is: 25,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.28 : 40,923.66 = 18,325.46 : x
  2. Step 2: Convert to fraction form
    29,647.28/40,923.66 = 18,325.46/x
  3. Step 3: Cross multiply
    29,647.28x = 40,923.66 × 18,325.46
  4. Step 4: Simplify right side
    29,647.28x = 749,944,894.38
  5. Step 5: Solve for x
    x = 749,944,894.38/29,647.28
  6. Step 6: Final answer
    x = 25,295.57

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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.