Home / 19,357.54-26,703.55-12,647.09

Finding the Fourth Proportional to 19,357.54, 26,703.55 and 12,647.09

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Solution

The fourth proportional to 19,357.54, 26,703.55 and 12,647.09 is: 17,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.54 : 26,703.55 = 12,647.09 : x
  2. Step 2: Convert to fraction form
    19,357.54/26,703.55 = 12,647.09/x
  3. Step 3: Cross multiply
    19,357.54x = 26,703.55 × 12,647.09
  4. Step 4: Simplify right side
    19,357.54x = 337,722,200.17
  5. Step 5: Solve for x
    x = 337,722,200.17/19,357.54
  6. Step 6: Final answer
    x = 17,446.55

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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.