Home / 19,451.65-26,835.99-12,741.02

Finding the Fourth Proportional to 19,451.65, 26,835.99 and 12,741.02

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Solution

The fourth proportional to 19,451.65, 26,835.99 and 12,741.02 is: 17,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.65 : 26,835.99 = 12,741.02 : x
  2. Step 2: Convert to fraction form
    19,451.65/26,835.99 = 12,741.02/x
  3. Step 3: Cross multiply
    19,451.65x = 26,835.99 × 12,741.02
  4. Step 4: Simplify right side
    19,451.65x = 341,917,885.31
  5. Step 5: Solve for x
    x = 341,917,885.31/19,451.65
  6. Step 6: Final answer
    x = 17,577.83

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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.