Home / 32,765.77-45,212.19-18,423.61

Finding the Fourth Proportional to 32,765.77, 45,212.19 and 18,423.61

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Solution

The fourth proportional to 32,765.77, 45,212.19 and 18,423.61 is: 25,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,765.77 : 45,212.19 = 18,423.61 : x
  2. Step 2: Convert to fraction form
    32,765.77/45,212.19 = 18,423.61/x
  3. Step 3: Cross multiply
    32,765.77x = 45,212.19 × 18,423.61
  4. Step 4: Simplify right side
    32,765.77x = 832,971,755.81
  5. Step 5: Solve for x
    x = 832,971,755.81/32,765.77
  6. Step 6: Final answer
    x = 25,422.01

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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.