Home / 26,005.60-38,942.40-14,305.60

Finding the Fourth Proportional to 26,005.60, 38,942.40 and 14,305.60

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Solution

The fourth proportional to 26,005.60, 38,942.40 and 14,305.60 is: 21,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.60 : 38,942.40 = 14,305.60 : x
  2. Step 2: Convert to fraction form
    26,005.60/38,942.40 = 14,305.60/x
  3. Step 3: Cross multiply
    26,005.60x = 38,942.40 × 14,305.60
  4. Step 4: Simplify right side
    26,005.60x = 557,094,397.44
  5. Step 5: Solve for x
    x = 557,094,397.44/26,005.60
  6. Step 6: Final answer
    x = 21,422.09

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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.