Home / 32,655.82-45,064.52-18,315.58

Finding the Fourth Proportional to 32,655.82, 45,064.52 and 18,315.58

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Solution

The fourth proportional to 32,655.82, 45,064.52 and 18,315.58 is: 25,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,655.82 : 45,064.52 = 18,315.58 : x
  2. Step 2: Convert to fraction form
    32,655.82/45,064.52 = 18,315.58/x
  3. Step 3: Cross multiply
    32,655.82x = 45,064.52 × 18,315.58
  4. Step 4: Simplify right side
    32,655.82x = 825,382,821.22
  5. Step 5: Solve for x
    x = 825,382,821.22/32,655.82
  6. Step 6: Final answer
    x = 25,275.21

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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.