Home / 19,588.80-29,383.20-16,636.35

Finding the Fourth Proportional to 19,588.80, 29,383.20 and 16,636.35

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Solution

The fourth proportional to 19,588.80, 29,383.20 and 16,636.35 is: 24,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.80 : 29,383.20 = 16,636.35 : x
  2. Step 2: Convert to fraction form
    19,588.80/29,383.20 = 16,636.35/x
  3. Step 3: Cross multiply
    19,588.80x = 29,383.20 × 16,636.35
  4. Step 4: Simplify right side
    19,588.80x = 488,829,199.32
  5. Step 5: Solve for x
    x = 488,829,199.32/19,588.80
  6. Step 6: Final answer
    x = 24,954.53

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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.