Home / 22,223.85-30,668.94-12,663.32

Finding the Fourth Proportional to 22,223.85, 30,668.94 and 12,663.32

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Solution

The fourth proportional to 22,223.85, 30,668.94 and 12,663.32 is: 17,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.85 : 30,668.94 = 12,663.32 : x
  2. Step 2: Convert to fraction form
    22,223.85/30,668.94 = 12,663.32/x
  3. Step 3: Cross multiply
    22,223.85x = 30,668.94 × 12,663.32
  4. Step 4: Simplify right side
    22,223.85x = 388,370,492.95
  5. Step 5: Solve for x
    x = 388,370,492.95/22,223.85
  6. Step 6: Final answer
    x = 17,475.39

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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.