Home / 19,460.05-26,855.53-11,509.09

Finding the Fourth Proportional to 19,460.05, 26,855.53 and 11,509.09

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Solution

The fourth proportional to 19,460.05, 26,855.53 and 11,509.09 is: 15,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.05 : 26,855.53 = 11,509.09 : x
  2. Step 2: Convert to fraction form
    19,460.05/26,855.53 = 11,509.09/x
  3. Step 3: Cross multiply
    19,460.05x = 26,855.53 × 11,509.09
  4. Step 4: Simplify right side
    19,460.05x = 309,082,711.77
  5. Step 5: Solve for x
    x = 309,082,711.77/19,460.05
  6. Step 6: Final answer
    x = 15,882.94

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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.