Home / 14,603.40-20,153.25-8,232.53

Finding the Fourth Proportional to 14,603.40, 20,153.25 and 8,232.53

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Solution

The fourth proportional to 14,603.40, 20,153.25 and 8,232.53 is: 11,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.40 : 20,153.25 = 8,232.53 : x
  2. Step 2: Convert to fraction form
    14,603.40/20,153.25 = 8,232.53/x
  3. Step 3: Cross multiply
    14,603.40x = 20,153.25 × 8,232.53
  4. Step 4: Simplify right side
    14,603.40x = 165,912,134.46
  5. Step 5: Solve for x
    x = 165,912,134.46/14,603.40
  6. Step 6: Final answer
    x = 11,361.20

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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.