Home / 23,054.92-31,815.47-12,983.48

Finding the Fourth Proportional to 23,054.92, 31,815.47 and 12,983.48

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Solution

The fourth proportional to 23,054.92, 31,815.47 and 12,983.48 is: 17,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,054.92 : 31,815.47 = 12,983.48 : x
  2. Step 2: Convert to fraction form
    23,054.92/31,815.47 = 12,983.48/x
  3. Step 3: Cross multiply
    23,054.92x = 31,815.47 × 12,983.48
  4. Step 4: Simplify right side
    23,054.92x = 413,075,518.44
  5. Step 5: Solve for x
    x = 413,075,518.44/23,054.92
  6. Step 6: Final answer
    x = 17,917.02

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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.