Home / 19,777.40-29,666.10-16,436.60

Finding the Fourth Proportional to 19,777.40, 29,666.10 and 16,436.60

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Solution

The fourth proportional to 19,777.40, 29,666.10 and 16,436.60 is: 24,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.40 : 29,666.10 = 16,436.60 : x
  2. Step 2: Convert to fraction form
    19,777.40/29,666.10 = 16,436.60/x
  3. Step 3: Cross multiply
    19,777.40x = 29,666.10 × 16,436.60
  4. Step 4: Simplify right side
    19,777.40x = 487,609,819.26
  5. Step 5: Solve for x
    x = 487,609,819.26/19,777.40
  6. Step 6: Final answer
    x = 24,654.90

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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.