Home / 47,289.44-70,934-14,009.76

Finding the Fourth Proportional to 47,289.44, 70,934 and 14,009.76

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Solution

The fourth proportional to 47,289.44, 70,934 and 14,009.76 is: 21,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.44 : 70,934 = 14,009.76 : x
  2. Step 2: Convert to fraction form
    47,289.44/70,934 = 14,009.76/x
  3. Step 3: Cross multiply
    47,289.44x = 70,934 × 14,009.76
  4. Step 4: Simplify right side
    47,289.44x = 993,768,315.84
  5. Step 5: Solve for x
    x = 993,768,315.84/47,289.44
  6. Step 6: Final answer
    x = 21,014.59

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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.