Home / 47,018.86-70,532.84-13,738.17

Finding the Fourth Proportional to 47,018.86, 70,532.84 and 13,738.17

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Solution

The fourth proportional to 47,018.86, 70,532.84 and 13,738.17 is: 20,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018.86 : 70,532.84 = 13,738.17 : x
  2. Step 2: Convert to fraction form
    47,018.86/70,532.84 = 13,738.17/x
  3. Step 3: Cross multiply
    47,018.86x = 70,532.84 × 13,738.17
  4. Step 4: Simplify right side
    47,018.86x = 968,991,725.15
  5. Step 5: Solve for x
    x = 968,991,725.15/47,018.86
  6. Step 6: Final answer
    x = 20,608.58

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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.