Home / 19,089.41-26,350.29-12,393.09

Finding the Fourth Proportional to 19,089.41, 26,350.29 and 12,393.09

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Solution

The fourth proportional to 19,089.41, 26,350.29 and 12,393.09 is: 17,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.41 : 26,350.29 = 12,393.09 : x
  2. Step 2: Convert to fraction form
    19,089.41/26,350.29 = 12,393.09/x
  3. Step 3: Cross multiply
    19,089.41x = 26,350.29 × 12,393.09
  4. Step 4: Simplify right side
    19,089.41x = 326,561,515.50
  5. Step 5: Solve for x
    x = 326,561,515.50/19,089.41
  6. Step 6: Final answer
    x = 17,106.95

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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.