Home / 43,079.86-64,630.14-14,995.78

Finding the Fourth Proportional to 43,079.86, 64,630.14 and 14,995.78

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Solution

The fourth proportional to 43,079.86, 64,630.14 and 14,995.78 is: 22,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.86 : 64,630.14 = 14,995.78 : x
  2. Step 2: Convert to fraction form
    43,079.86/64,630.14 = 14,995.78/x
  3. Step 3: Cross multiply
    43,079.86x = 64,630.14 × 14,995.78
  4. Step 4: Simplify right side
    43,079.86x = 969,179,360.81
  5. Step 5: Solve for x
    x = 969,179,360.81/43,079.86
  6. Step 6: Final answer
    x = 22,497.27

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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.