Home / 15,653.05-23,480.27-5,123.68

Finding the Fourth Proportional to 15,653.05, 23,480.27 and 5,123.68

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Solution

The fourth proportional to 15,653.05, 23,480.27 and 5,123.68 is: 7,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.05 : 23,480.27 = 5,123.68 : x
  2. Step 2: Convert to fraction form
    15,653.05/23,480.27 = 5,123.68/x
  3. Step 3: Cross multiply
    15,653.05x = 23,480.27 × 5,123.68
  4. Step 4: Simplify right side
    15,653.05x = 120,305,389.79
  5. Step 5: Solve for x
    x = 120,305,389.79/15,653.05
  6. Step 6: Final answer
    x = 7,685.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.