Home / 14,393.60-21,590.40-12,233.60

Finding the Fourth Proportional to 14,393.60, 21,590.40 and 12,233.60

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Solution

The fourth proportional to 14,393.60, 21,590.40 and 12,233.60 is: 18,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.60 : 21,590.40 = 12,233.60 : x
  2. Step 2: Convert to fraction form
    14,393.60/21,590.40 = 12,233.60/x
  3. Step 3: Cross multiply
    14,393.60x = 21,590.40 × 12,233.60
  4. Step 4: Simplify right side
    14,393.60x = 264,128,317.44
  5. Step 5: Solve for x
    x = 264,128,317.44/14,393.60
  6. Step 6: Final answer
    x = 18,350.40

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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.