Home / 19,450.65-26,834.61-12,740.02

Finding the Fourth Proportional to 19,450.65, 26,834.61 and 12,740.02

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Solution

The fourth proportional to 19,450.65, 26,834.61 and 12,740.02 is: 17,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.65 : 26,834.61 = 12,740.02 : x
  2. Step 2: Convert to fraction form
    19,450.65/26,834.61 = 12,740.02/x
  3. Step 3: Cross multiply
    19,450.65x = 26,834.61 × 12,740.02
  4. Step 4: Simplify right side
    19,450.65x = 341,873,468.09
  5. Step 5: Solve for x
    x = 341,873,468.09/19,450.65
  6. Step 6: Final answer
    x = 17,576.45

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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.