Home / 13,986.16-20,974.23-4,624.45

Finding the Fourth Proportional to 13,986.16, 20,974.23 and 4,624.45

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Solution

The fourth proportional to 13,986.16, 20,974.23 and 4,624.45 is: 6,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.16 : 20,974.23 = 4,624.45 : x
  2. Step 2: Convert to fraction form
    13,986.16/20,974.23 = 4,624.45/x
  3. Step 3: Cross multiply
    13,986.16x = 20,974.23 × 4,624.45
  4. Step 4: Simplify right side
    13,986.16x = 96,994,225.49
  5. Step 5: Solve for x
    x = 96,994,225.49/13,986.16
  6. Step 6: Final answer
    x = 6,935.02

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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.