Home / 32,705.74-45,135.31-18,559.90

Finding the Fourth Proportional to 32,705.74, 45,135.31 and 18,559.90

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Solution

The fourth proportional to 32,705.74, 45,135.31 and 18,559.90 is: 25,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,705.74 : 45,135.31 = 18,559.90 : x
  2. Step 2: Convert to fraction form
    32,705.74/45,135.31 = 18,559.90/x
  3. Step 3: Cross multiply
    32,705.74x = 45,135.31 × 18,559.90
  4. Step 4: Simplify right side
    32,705.74x = 837,706,614.39
  5. Step 5: Solve for x
    x = 837,706,614.39/32,705.74
  6. Step 6: Final answer
    x = 25,613.45

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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.