Home / 13,974.08-19,279.52-9,490.06

Finding the Fourth Proportional to 13,974.08, 19,279.52 and 9,490.06

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Solution

The fourth proportional to 13,974.08, 19,279.52 and 9,490.06 is: 13,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.08 : 19,279.52 = 9,490.06 : x
  2. Step 2: Convert to fraction form
    13,974.08/19,279.52 = 9,490.06/x
  3. Step 3: Cross multiply
    13,974.08x = 19,279.52 × 9,490.06
  4. Step 4: Simplify right side
    13,974.08x = 182,963,801.57
  5. Step 5: Solve for x
    x = 182,963,801.57/13,974.08
  6. Step 6: Final answer
    x = 13,093.08

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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.