Home / 30,883.22-42,596.34-19,554.56

Finding the Fourth Proportional to 30,883.22, 42,596.34 and 19,554.56

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Solution

The fourth proportional to 30,883.22, 42,596.34 and 19,554.56 is: 26,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883.22 : 42,596.34 = 19,554.56 : x
  2. Step 2: Convert to fraction form
    30,883.22/42,596.34 = 19,554.56/x
  3. Step 3: Cross multiply
    30,883.22x = 42,596.34 × 19,554.56
  4. Step 4: Simplify right side
    30,883.22x = 832,952,686.31
  5. Step 5: Solve for x
    x = 832,952,686.31/30,883.22
  6. Step 6: Final answer
    x = 26,971.04

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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.