Home / 47,284.70-70,928.28-12,224.25

Finding the Fourth Proportional to 47,284.70, 70,928.28 and 12,224.25

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Solution

The fourth proportional to 47,284.70, 70,928.28 and 12,224.25 is: 18,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,284.70 : 70,928.28 = 12,224.25 : x
  2. Step 2: Convert to fraction form
    47,284.70/70,928.28 = 12,224.25/x
  3. Step 3: Cross multiply
    47,284.70x = 70,928.28 × 12,224.25
  4. Step 4: Simplify right side
    47,284.70x = 867,045,026.79
  5. Step 5: Solve for x
    x = 867,045,026.79/47,284.70
  6. Step 6: Final answer
    x = 18,336.69

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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.