Home / 14,079.16-21,111.64-5,194.04

Finding the Fourth Proportional to 14,079.16, 21,111.64 and 5,194.04

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Solution

The fourth proportional to 14,079.16, 21,111.64 and 5,194.04 is: 7,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.16 : 21,111.64 = 5,194.04 : x
  2. Step 2: Convert to fraction form
    14,079.16/21,111.64 = 5,194.04/x
  3. Step 3: Cross multiply
    14,079.16x = 21,111.64 × 5,194.04
  4. Step 4: Simplify right side
    14,079.16x = 109,654,702.63
  5. Step 5: Solve for x
    x = 109,654,702.63/14,079.16
  6. Step 6: Final answer
    x = 7,788.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.