Home / 32,690.76-45,111.33-18,349.26

Finding the Fourth Proportional to 32,690.76, 45,111.33 and 18,349.26

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Solution

The fourth proportional to 32,690.76, 45,111.33 and 18,349.26 is: 25,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.76 : 45,111.33 = 18,349.26 : x
  2. Step 2: Convert to fraction form
    32,690.76/45,111.33 = 18,349.26/x
  3. Step 3: Cross multiply
    32,690.76x = 45,111.33 × 18,349.26
  4. Step 4: Simplify right side
    32,690.76x = 827,759,523.12
  5. Step 5: Solve for x
    x = 827,759,523.12/32,690.76
  6. Step 6: Final answer
    x = 25,320.90

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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.