Home / 19,005.96-26,211.12-12,284.52

Finding the Fourth Proportional to 19,005.96, 26,211.12 and 12,284.52

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Solution

The fourth proportional to 19,005.96, 26,211.12 and 12,284.52 is: 16,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.96 : 26,211.12 = 12,284.52 : x
  2. Step 2: Convert to fraction form
    19,005.96/26,211.12 = 12,284.52/x
  3. Step 3: Cross multiply
    19,005.96x = 26,211.12 × 12,284.52
  4. Step 4: Simplify right side
    19,005.96x = 321,991,027.86
  5. Step 5: Solve for x
    x = 321,991,027.86/19,005.96
  6. Step 6: Final answer
    x = 16,941.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.