Home / 32,764.77-45,210.81-18,422.61

Finding the Fourth Proportional to 32,764.77, 45,210.81 and 18,422.61

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Solution

The fourth proportional to 32,764.77, 45,210.81 and 18,422.61 is: 25,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,764.77 : 45,210.81 = 18,422.61 : x
  2. Step 2: Convert to fraction form
    32,764.77/45,210.81 = 18,422.61/x
  3. Step 3: Cross multiply
    32,764.77x = 45,210.81 × 18,422.61
  4. Step 4: Simplify right side
    32,764.77x = 832,901,120.41
  5. Step 5: Solve for x
    x = 832,901,120.41/32,764.77
  6. Step 6: Final answer
    x = 25,420.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.