Home / 22,057-30,438.28-11,985.60

Finding the Fourth Proportional to 22,057, 30,438.28 and 11,985.60

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Solution

The fourth proportional to 22,057, 30,438.28 and 11,985.60 is: 16,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057 : 30,438.28 = 11,985.60 : x
  2. Step 2: Convert to fraction form
    22,057/30,438.28 = 11,985.60/x
  3. Step 3: Cross multiply
    22,057x = 30,438.28 × 11,985.60
  4. Step 4: Simplify right side
    22,057x = 364,821,048.77
  5. Step 5: Solve for x
    x = 364,821,048.77/22,057
  6. Step 6: Final answer
    x = 16,539.92

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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.