Home / 32,923.14-45,432.78-18,780.54

Finding the Fourth Proportional to 32,923.14, 45,432.78 and 18,780.54

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Solution

The fourth proportional to 32,923.14, 45,432.78 and 18,780.54 is: 25,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,923.14 : 45,432.78 = 18,780.54 : x
  2. Step 2: Convert to fraction form
    32,923.14/45,432.78 = 18,780.54/x
  3. Step 3: Cross multiply
    32,923.14x = 45,432.78 × 18,780.54
  4. Step 4: Simplify right side
    32,923.14x = 853,252,142.10
  5. Step 5: Solve for x
    x = 853,252,142.10/32,923.14
  6. Step 6: Final answer
    x = 25,916.49

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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.