Home / 14,603.74-21,908.34-6,812.56

Finding the Fourth Proportional to 14,603.74, 21,908.34 and 6,812.56

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Solution

The fourth proportional to 14,603.74, 21,908.34 and 6,812.56 is: 10,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.74 : 21,908.34 = 6,812.56 : x
  2. Step 2: Convert to fraction form
    14,603.74/21,908.34 = 6,812.56/x
  3. Step 3: Cross multiply
    14,603.74x = 21,908.34 × 6,812.56
  4. Step 4: Simplify right side
    14,603.74x = 149,251,880.75
  5. Step 5: Solve for x
    x = 149,251,880.75/14,603.74
  6. Step 6: Final answer
    x = 10,220.11

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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.