Home / 15,618.37-23,430.69-5,757.70

Finding the Fourth Proportional to 15,618.37, 23,430.69 and 5,757.70

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Solution

The fourth proportional to 15,618.37, 23,430.69 and 5,757.70 is: 8,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.37 : 23,430.69 = 5,757.70 : x
  2. Step 2: Convert to fraction form
    15,618.37/23,430.69 = 5,757.70/x
  3. Step 3: Cross multiply
    15,618.37x = 23,430.69 × 5,757.70
  4. Step 4: Simplify right side
    15,618.37x = 134,906,883.81
  5. Step 5: Solve for x
    x = 134,906,883.81/15,618.37
  6. Step 6: Final answer
    x = 8,637.71

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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.