Home / 23,118.92-31,903.97-12,508.32

Finding the Fourth Proportional to 23,118.92, 31,903.97 and 12,508.32

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Solution

The fourth proportional to 23,118.92, 31,903.97 and 12,508.32 is: 17,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.92 : 31,903.97 = 12,508.32 : x
  2. Step 2: Convert to fraction form
    23,118.92/31,903.97 = 12,508.32/x
  3. Step 3: Cross multiply
    23,118.92x = 31,903.97 × 12,508.32
  4. Step 4: Simplify right side
    23,118.92x = 399,065,066.03
  5. Step 5: Solve for x
    x = 399,065,066.03/23,118.92
  6. Step 6: Final answer
    x = 17,261.41

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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.