Home / 30,018.69-41,445.03-19,268.17

Finding the Fourth Proportional to 30,018.69, 41,445.03 and 19,268.17

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Solution

The fourth proportional to 30,018.69, 41,445.03 and 19,268.17 is: 26,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.69 : 41,445.03 = 19,268.17 : x
  2. Step 2: Convert to fraction form
    30,018.69/41,445.03 = 19,268.17/x
  3. Step 3: Cross multiply
    30,018.69x = 41,445.03 × 19,268.17
  4. Step 4: Simplify right side
    30,018.69x = 798,569,883.70
  5. Step 5: Solve for x
    x = 798,569,883.70/30,018.69
  6. Step 6: Final answer
    x = 26,602.42

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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.