Home / 19,265.48-28,898.23-12,607.60

Finding the Fourth Proportional to 19,265.48, 28,898.23 and 12,607.60

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Solution

The fourth proportional to 19,265.48, 28,898.23 and 12,607.60 is: 18,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.48 : 28,898.23 = 12,607.60 : x
  2. Step 2: Convert to fraction form
    19,265.48/28,898.23 = 12,607.60/x
  3. Step 3: Cross multiply
    19,265.48x = 28,898.23 × 12,607.60
  4. Step 4: Simplify right side
    19,265.48x = 364,337,324.55
  5. Step 5: Solve for x
    x = 364,337,324.55/19,265.48
  6. Step 6: Final answer
    x = 18,911.41

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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.