Home / 21,432.84-32,169.99-10,347.33

Finding the Fourth Proportional to 21,432.84, 32,169.99 and 10,347.33

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Solution

The fourth proportional to 21,432.84, 32,169.99 and 10,347.33 is: 15,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.84 : 32,169.99 = 10,347.33 : x
  2. Step 2: Convert to fraction form
    21,432.84/32,169.99 = 10,347.33/x
  3. Step 3: Cross multiply
    21,432.84x = 32,169.99 × 10,347.33
  4. Step 4: Simplify right side
    21,432.84x = 332,873,502.63
  5. Step 5: Solve for x
    x = 332,873,502.63/21,432.84
  6. Step 6: Final answer
    x = 15,531.00

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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.