Home / 19,266.36-26,590.62-11,715.06

Finding the Fourth Proportional to 19,266.36, 26,590.62 and 11,715.06

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Solution

The fourth proportional to 19,266.36, 26,590.62 and 11,715.06 is: 16,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.36 : 26,590.62 = 11,715.06 : x
  2. Step 2: Convert to fraction form
    19,266.36/26,590.62 = 11,715.06/x
  3. Step 3: Cross multiply
    19,266.36x = 26,590.62 × 11,715.06
  4. Step 4: Simplify right side
    19,266.36x = 311,510,708.74
  5. Step 5: Solve for x
    x = 311,510,708.74/19,266.36
  6. Step 6: Final answer
    x = 16,168.63

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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.