Home / 32,720.44-45,156.54-18,574.21

Finding the Fourth Proportional to 32,720.44, 45,156.54 and 18,574.21

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Solution

The fourth proportional to 32,720.44, 45,156.54 and 18,574.21 is: 25,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.44 : 45,156.54 = 18,574.21 : x
  2. Step 2: Convert to fraction form
    32,720.44/45,156.54 = 18,574.21/x
  3. Step 3: Cross multiply
    32,720.44x = 45,156.54 × 18,574.21
  4. Step 4: Simplify right side
    32,720.44x = 838,747,056.83
  5. Step 5: Solve for x
    x = 838,747,056.83/32,720.44
  6. Step 6: Final answer
    x = 25,633.73

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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.