Home / 22,157.28-30,577.15-12,085.94

Finding the Fourth Proportional to 22,157.28, 30,577.15 and 12,085.94

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Solution

The fourth proportional to 22,157.28, 30,577.15 and 12,085.94 is: 16,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.28 : 30,577.15 = 12,085.94 : x
  2. Step 2: Convert to fraction form
    22,157.28/30,577.15 = 12,085.94/x
  3. Step 3: Cross multiply
    22,157.28x = 30,577.15 × 12,085.94
  4. Step 4: Simplify right side
    22,157.28x = 369,553,539.84
  5. Step 5: Solve for x
    x = 369,553,539.84/22,157.28
  6. Step 6: Final answer
    x = 16,678.65

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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.