Home / 17,919.12-24,722.60-9,959.81

Finding the Fourth Proportional to 17,919.12, 24,722.60 and 9,959.81

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Solution

The fourth proportional to 17,919.12, 24,722.60 and 9,959.81 is: 13,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.12 : 24,722.60 = 9,959.81 : x
  2. Step 2: Convert to fraction form
    17,919.12/24,722.60 = 9,959.81/x
  3. Step 3: Cross multiply
    17,919.12x = 24,722.60 × 9,959.81
  4. Step 4: Simplify right side
    17,919.12x = 246,232,398.71
  5. Step 5: Solve for x
    x = 246,232,398.71/17,919.12
  6. Step 6: Final answer
    x = 13,741.32

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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.