Home / 19,236.89-26,543.70-12,853.25

Finding the Fourth Proportional to 19,236.89, 26,543.70 and 12,853.25

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Solution

The fourth proportional to 19,236.89, 26,543.70 and 12,853.25 is: 17,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.89 : 26,543.70 = 12,853.25 : x
  2. Step 2: Convert to fraction form
    19,236.89/26,543.70 = 12,853.25/x
  3. Step 3: Cross multiply
    19,236.89x = 26,543.70 × 12,853.25
  4. Step 4: Simplify right side
    19,236.89x = 341,172,679.31
  5. Step 5: Solve for x
    x = 341,172,679.31/19,236.89
  6. Step 6: Final answer
    x = 17,735.34

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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.