Home / 47,105.84-70,657.76-13,825.17

Finding the Fourth Proportional to 47,105.84, 70,657.76 and 13,825.17

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Solution

The fourth proportional to 47,105.84, 70,657.76 and 13,825.17 is: 20,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,105.84 : 70,657.76 = 13,825.17 : x
  2. Step 2: Convert to fraction form
    47,105.84/70,657.76 = 13,825.17/x
  3. Step 3: Cross multiply
    47,105.84x = 70,657.76 × 13,825.17
  4. Step 4: Simplify right side
    47,105.84x = 976,855,474.69
  5. Step 5: Solve for x
    x = 976,855,474.69/47,105.84
  6. Step 6: Final answer
    x = 20,737.46

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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.