Home / 23,004.95-31,747.95-12,936.56

Finding the Fourth Proportional to 23,004.95, 31,747.95 and 12,936.56

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Solution

The fourth proportional to 23,004.95, 31,747.95 and 12,936.56 is: 17,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004.95 : 31,747.95 = 12,936.56 : x
  2. Step 2: Convert to fraction form
    23,004.95/31,747.95 = 12,936.56/x
  3. Step 3: Cross multiply
    23,004.95x = 31,747.95 × 12,936.56
  4. Step 4: Simplify right side
    23,004.95x = 410,709,101.31
  5. Step 5: Solve for x
    x = 410,709,101.31/23,004.95
  6. Step 6: Final answer
    x = 17,853.08

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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.