Home / 19,212.48-26,506.08-12,914.88

Finding the Fourth Proportional to 19,212.48, 26,506.08 and 12,914.88

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Solution

The fourth proportional to 19,212.48, 26,506.08 and 12,914.88 is: 17,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.48 : 26,506.08 = 12,914.88 : x
  2. Step 2: Convert to fraction form
    19,212.48/26,506.08 = 12,914.88/x
  3. Step 3: Cross multiply
    19,212.48x = 26,506.08 × 12,914.88
  4. Step 4: Simplify right side
    19,212.48x = 342,322,842.47
  5. Step 5: Solve for x
    x = 342,322,842.47/19,212.48
  6. Step 6: Final answer
    x = 17,817.73

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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.