Home / 19,966.80-29,950.20-16,467.60

Finding the Fourth Proportional to 19,966.80, 29,950.20 and 16,467.60

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Solution

The fourth proportional to 19,966.80, 29,950.20 and 16,467.60 is: 24,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.80 : 29,950.20 = 16,467.60 : x
  2. Step 2: Convert to fraction form
    19,966.80/29,950.20 = 16,467.60/x
  3. Step 3: Cross multiply
    19,966.80x = 29,950.20 × 16,467.60
  4. Step 4: Simplify right side
    19,966.80x = 493,207,913.52
  5. Step 5: Solve for x
    x = 493,207,913.52/19,966.80
  6. Step 6: Final answer
    x = 24,701.40

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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.