Home / 21,619.17-32,213.84-19,261.06

Finding the Fourth Proportional to 21,619.17, 32,213.84 and 19,261.06

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Solution

The fourth proportional to 21,619.17, 32,213.84 and 19,261.06 is: 28,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.17 : 32,213.84 = 19,261.06 : x
  2. Step 2: Convert to fraction form
    21,619.17/32,213.84 = 19,261.06/x
  3. Step 3: Cross multiply
    21,619.17x = 32,213.84 × 19,261.06
  4. Step 4: Simplify right side
    21,619.17x = 620,472,705.07
  5. Step 5: Solve for x
    x = 620,472,705.07/21,619.17
  6. Step 6: Final answer
    x = 28,700.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.