Home / 13,941.52-19,240.66-7,974.06

Finding the Fourth Proportional to 13,941.52, 19,240.66 and 7,974.06

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Solution

The fourth proportional to 13,941.52, 19,240.66 and 7,974.06 is: 11,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.52 : 19,240.66 = 7,974.06 : x
  2. Step 2: Convert to fraction form
    13,941.52/19,240.66 = 7,974.06/x
  3. Step 3: Cross multiply
    13,941.52x = 19,240.66 × 7,974.06
  4. Step 4: Simplify right side
    13,941.52x = 153,426,177.28
  5. Step 5: Solve for x
    x = 153,426,177.28/13,941.52
  6. Step 6: Final answer
    x = 11,004.98

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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.