Home / 13,937.84-20,906.82-4,710.32

Finding the Fourth Proportional to 13,937.84, 20,906.82 and 4,710.32

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Solution

The fourth proportional to 13,937.84, 20,906.82 and 4,710.32 is: 7,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.84 : 20,906.82 = 4,710.32 : x
  2. Step 2: Convert to fraction form
    13,937.84/20,906.82 = 4,710.32/x
  3. Step 3: Cross multiply
    13,937.84x = 20,906.82 × 4,710.32
  4. Step 4: Simplify right side
    13,937.84x = 98,477,812.38
  5. Step 5: Solve for x
    x = 98,477,812.38/13,937.84
  6. Step 6: Final answer
    x = 7,065.50

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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.