Home / 19,265.60-28,898.40-16,500.80

Finding the Fourth Proportional to 19,265.60, 28,898.40 and 16,500.80

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Solution

The fourth proportional to 19,265.60, 28,898.40 and 16,500.80 is: 24,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.60 : 28,898.40 = 16,500.80 : x
  2. Step 2: Convert to fraction form
    19,265.60/28,898.40 = 16,500.80/x
  3. Step 3: Cross multiply
    19,265.60x = 28,898.40 × 16,500.80
  4. Step 4: Simplify right side
    19,265.60x = 476,846,718.72
  5. Step 5: Solve for x
    x = 476,846,718.72/19,265.60
  6. Step 6: Final answer
    x = 24,751.20

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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.