Home / 21,468.80-32,203.20-5,886.40

Finding the Fourth Proportional to 21,468.80, 32,203.20 and 5,886.40

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Solution

The fourth proportional to 21,468.80, 32,203.20 and 5,886.40 is: 8,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.80 : 32,203.20 = 5,886.40 : x
  2. Step 2: Convert to fraction form
    21,468.80/32,203.20 = 5,886.40/x
  3. Step 3: Cross multiply
    21,468.80x = 32,203.20 × 5,886.40
  4. Step 4: Simplify right side
    21,468.80x = 189,560,916.48
  5. Step 5: Solve for x
    x = 189,560,916.48/21,468.80
  6. Step 6: Final answer
    x = 8,829.60

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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.