Home / 14,735.80-20,335.61-8,021.63

Finding the Fourth Proportional to 14,735.80, 20,335.61 and 8,021.63

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Solution

The fourth proportional to 14,735.80, 20,335.61 and 8,021.63 is: 11,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.80 : 20,335.61 = 8,021.63 : x
  2. Step 2: Convert to fraction form
    14,735.80/20,335.61 = 8,021.63/x
  3. Step 3: Cross multiply
    14,735.80x = 20,335.61 × 8,021.63
  4. Step 4: Simplify right side
    14,735.80x = 163,124,810.14
  5. Step 5: Solve for x
    x = 163,124,810.14/14,735.80
  6. Step 6: Final answer
    x = 11,069.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.