Home / 13,974.02-20,954.87-7,398.67

Finding the Fourth Proportional to 13,974.02, 20,954.87 and 7,398.67

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Solution

The fourth proportional to 13,974.02, 20,954.87 and 7,398.67 is: 11,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.02 : 20,954.87 = 7,398.67 : x
  2. Step 2: Convert to fraction form
    13,974.02/20,954.87 = 7,398.67/x
  3. Step 3: Cross multiply
    13,974.02x = 20,954.87 × 7,398.67
  4. Step 4: Simplify right side
    13,974.02x = 155,038,168.02
  5. Step 5: Solve for x
    x = 155,038,168.02/13,974.02
  6. Step 6: Final answer
    x = 11,094.74

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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.