Home / 15,457.68-23,190.85-5,076.72

Finding the Fourth Proportional to 15,457.68, 23,190.85 and 5,076.72

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Solution

The fourth proportional to 15,457.68, 23,190.85 and 5,076.72 is: 7,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.68 : 23,190.85 = 5,076.72 : x
  2. Step 2: Convert to fraction form
    15,457.68/23,190.85 = 5,076.72/x
  3. Step 3: Cross multiply
    15,457.68x = 23,190.85 × 5,076.72
  4. Step 4: Simplify right side
    15,457.68x = 117,733,452.01
  5. Step 5: Solve for x
    x = 117,733,452.01/15,457.68
  6. Step 6: Final answer
    x = 7,616.50

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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.