Home / 45,175.50-67,764.87-14,009.94

Finding the Fourth Proportional to 45,175.50, 67,764.87 and 14,009.94

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Solution

The fourth proportional to 45,175.50, 67,764.87 and 14,009.94 is: 21,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,175.50 : 67,764.87 = 14,009.94 : x
  2. Step 2: Convert to fraction form
    45,175.50/67,764.87 = 14,009.94/x
  3. Step 3: Cross multiply
    45,175.50x = 67,764.87 × 14,009.94
  4. Step 4: Simplify right side
    45,175.50x = 949,381,762.81
  5. Step 5: Solve for x
    x = 949,381,762.81/45,175.50
  6. Step 6: Final answer
    x = 21,015.41

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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.