Home / 22,802.58-34,180.63-12,920.99

Finding the Fourth Proportional to 22,802.58, 34,180.63 and 12,920.99

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Solution

The fourth proportional to 22,802.58, 34,180.63 and 12,920.99 is: 19,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.58 : 34,180.63 = 12,920.99 : x
  2. Step 2: Convert to fraction form
    22,802.58/34,180.63 = 12,920.99/x
  3. Step 3: Cross multiply
    22,802.58x = 34,180.63 × 12,920.99
  4. Step 4: Simplify right side
    22,802.58x = 441,647,447.90
  5. Step 5: Solve for x
    x = 441,647,447.90/22,802.58
  6. Step 6: Final answer
    x = 19,368.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.