Home / 17,739.22-24,480.29-9,781.74

Finding the Fourth Proportional to 17,739.22, 24,480.29 and 9,781.74

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Solution

The fourth proportional to 17,739.22, 24,480.29 and 9,781.74 is: 13,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.22 : 24,480.29 = 9,781.74 : x
  2. Step 2: Convert to fraction form
    17,739.22/24,480.29 = 9,781.74/x
  3. Step 3: Cross multiply
    17,739.22x = 24,480.29 × 9,781.74
  4. Step 4: Simplify right side
    17,739.22x = 239,459,831.90
  5. Step 5: Solve for x
    x = 239,459,831.90/17,739.22
  6. Step 6: Final answer
    x = 13,498.89

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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.