Home / 19,233.48-28,854.14-8,140.12

Finding the Fourth Proportional to 19,233.48, 28,854.14 and 8,140.12

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Solution

The fourth proportional to 19,233.48, 28,854.14 and 8,140.12 is: 12,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.48 : 28,854.14 = 8,140.12 : x
  2. Step 2: Convert to fraction form
    19,233.48/28,854.14 = 8,140.12/x
  3. Step 3: Cross multiply
    19,233.48x = 28,854.14 × 8,140.12
  4. Step 4: Simplify right side
    19,233.48x = 234,876,162.10
  5. Step 5: Solve for x
    x = 234,876,162.10/19,233.48
  6. Step 6: Final answer
    x = 12,211.84

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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.