Home / 23,042.96-31,804.27-13,612.94

Finding the Fourth Proportional to 23,042.96, 31,804.27 and 13,612.94

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Solution

The fourth proportional to 23,042.96, 31,804.27 and 13,612.94 is: 18,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.96 : 31,804.27 = 13,612.94 : x
  2. Step 2: Convert to fraction form
    23,042.96/31,804.27 = 13,612.94/x
  3. Step 3: Cross multiply
    23,042.96x = 31,804.27 × 13,612.94
  4. Step 4: Simplify right side
    23,042.96x = 432,949,426.20
  5. Step 5: Solve for x
    x = 432,949,426.20/23,042.96
  6. Step 6: Final answer
    x = 18,788.80

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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.