Home / 19,290.84-26,619.75-17,880.36

Finding the Fourth Proportional to 19,290.84, 26,619.75 and 17,880.36

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Solution

The fourth proportional to 19,290.84, 26,619.75 and 17,880.36 is: 24,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.84 : 26,619.75 = 17,880.36 : x
  2. Step 2: Convert to fraction form
    19,290.84/26,619.75 = 17,880.36/x
  3. Step 3: Cross multiply
    19,290.84x = 26,619.75 × 17,880.36
  4. Step 4: Simplify right side
    19,290.84x = 475,970,713.11
  5. Step 5: Solve for x
    x = 475,970,713.11/19,290.84
  6. Step 6: Final answer
    x = 24,673.41

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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.