Home / 23,187.92-31,999.16-12,577.58

Finding the Fourth Proportional to 23,187.92, 31,999.16 and 12,577.58

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Solution

The fourth proportional to 23,187.92, 31,999.16 and 12,577.58 is: 17,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.92 : 31,999.16 = 12,577.58 : x
  2. Step 2: Convert to fraction form
    23,187.92/31,999.16 = 12,577.58/x
  3. Step 3: Cross multiply
    23,187.92x = 31,999.16 × 12,577.58
  4. Step 4: Simplify right side
    23,187.92x = 402,471,994.83
  5. Step 5: Solve for x
    x = 402,471,994.83/23,187.92
  6. Step 6: Final answer
    x = 17,356.97

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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.