Home / 21,655.95-32,493.93-11,783.46

Finding the Fourth Proportional to 21,655.95, 32,493.93 and 11,783.46

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Solution

The fourth proportional to 21,655.95, 32,493.93 and 11,783.46 is: 17,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.95 : 32,493.93 = 11,783.46 : x
  2. Step 2: Convert to fraction form
    21,655.95/32,493.93 = 11,783.46/x
  3. Step 3: Cross multiply
    21,655.95x = 32,493.93 × 11,783.46
  4. Step 4: Simplify right side
    21,655.95x = 382,890,924.40
  5. Step 5: Solve for x
    x = 382,890,924.40/21,655.95
  6. Step 6: Final answer
    x = 17,680.63

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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.