Home / 19,115.70-26,386.62-16,416.03

Finding the Fourth Proportional to 19,115.70, 26,386.62 and 16,416.03

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Solution

The fourth proportional to 19,115.70, 26,386.62 and 16,416.03 is: 22,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.70 : 26,386.62 = 16,416.03 : x
  2. Step 2: Convert to fraction form
    19,115.70/26,386.62 = 16,416.03/x
  3. Step 3: Cross multiply
    19,115.70x = 26,386.62 × 16,416.03
  4. Step 4: Simplify right side
    19,115.70x = 433,163,545.52
  5. Step 5: Solve for x
    x = 433,163,545.52/19,115.70
  6. Step 6: Final answer
    x = 22,660.09

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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.