Home / 32,690.07-45,111.99-18,543.03

Finding the Fourth Proportional to 32,690.07, 45,111.99 and 18,543.03

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Solution

The fourth proportional to 32,690.07, 45,111.99 and 18,543.03 is: 25,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.07 : 45,111.99 = 18,543.03 : x
  2. Step 2: Convert to fraction form
    32,690.07/45,111.99 = 18,543.03/x
  3. Step 3: Cross multiply
    32,690.07x = 45,111.99 × 18,543.03
  4. Step 4: Simplify right side
    32,690.07x = 836,512,983.93
  5. Step 5: Solve for x
    x = 836,512,983.93/32,690.07
  6. Step 6: Final answer
    x = 25,589.21

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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.