Home / 19,099.51-26,351.94-12,385.42

Finding the Fourth Proportional to 19,099.51, 26,351.94 and 12,385.42

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Solution

The fourth proportional to 19,099.51, 26,351.94 and 12,385.42 is: 17,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.51 : 26,351.94 = 12,385.42 : x
  2. Step 2: Convert to fraction form
    19,099.51/26,351.94 = 12,385.42/x
  3. Step 3: Cross multiply
    19,099.51x = 26,351.94 × 12,385.42
  4. Step 4: Simplify right side
    19,099.51x = 326,379,844.71
  5. Step 5: Solve for x
    x = 326,379,844.71/19,099.51
  6. Step 6: Final answer
    x = 17,088.39

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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.