Home / 13,154.92-18,148.02-7,846.67

Finding the Fourth Proportional to 13,154.92, 18,148.02 and 7,846.67

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Solution

The fourth proportional to 13,154.92, 18,148.02 and 7,846.67 is: 10,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.92 : 18,148.02 = 7,846.67 : x
  2. Step 2: Convert to fraction form
    13,154.92/18,148.02 = 7,846.67/x
  3. Step 3: Cross multiply
    13,154.92x = 18,148.02 × 7,846.67
  4. Step 4: Simplify right side
    13,154.92x = 142,401,540.04
  5. Step 5: Solve for x
    x = 142,401,540.04/13,154.92
  6. Step 6: Final answer
    x = 10,824.96

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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.