Home / 21,367.83-32,058.88-13,461.21

Finding the Fourth Proportional to 21,367.83, 32,058.88 and 13,461.21

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Solution

The fourth proportional to 21,367.83, 32,058.88 and 13,461.21 is: 20,196.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.83 : 32,058.88 = 13,461.21 : x
  2. Step 2: Convert to fraction form
    21,367.83/32,058.88 = 13,461.21/x
  3. Step 3: Cross multiply
    21,367.83x = 32,058.88 × 13,461.21
  4. Step 4: Simplify right side
    21,367.83x = 431,551,282.39
  5. Step 5: Solve for x
    x = 431,551,282.39/21,367.83
  6. Step 6: Final answer
    x = 20,196.31

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1.5x scale

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.