Home / 19,019.98-26,247.42-10,636.48

Finding the Fourth Proportional to 19,019.98, 26,247.42 and 10,636.48

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Solution

The fourth proportional to 19,019.98, 26,247.42 and 10,636.48 is: 14,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.98 : 26,247.42 = 10,636.48 : x
  2. Step 2: Convert to fraction form
    19,019.98/26,247.42 = 10,636.48/x
  3. Step 3: Cross multiply
    19,019.98x = 26,247.42 × 10,636.48
  4. Step 4: Simplify right side
    19,019.98x = 279,180,157.88
  5. Step 5: Solve for x
    x = 279,180,157.88/19,019.98
  6. Step 6: Final answer
    x = 14,678.26

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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.