Home / 22,662.86-31,276.87-13,712.58

Finding the Fourth Proportional to 22,662.86, 31,276.87 and 13,712.58

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Solution

The fourth proportional to 22,662.86, 31,276.87 and 13,712.58 is: 18,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.86 : 31,276.87 = 13,712.58 : x
  2. Step 2: Convert to fraction form
    22,662.86/31,276.87 = 13,712.58/x
  3. Step 3: Cross multiply
    22,662.86x = 31,276.87 × 13,712.58
  4. Step 4: Simplify right side
    22,662.86x = 428,886,582.02
  5. Step 5: Solve for x
    x = 428,886,582.02/22,662.86
  6. Step 6: Final answer
    x = 18,924.65

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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.