Home / 19,114.06-28,682.70-12,084.40

Finding the Fourth Proportional to 19,114.06, 28,682.70 and 12,084.40

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Solution

The fourth proportional to 19,114.06, 28,682.70 and 12,084.40 is: 18,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.06 : 28,682.70 = 12,084.40 : x
  2. Step 2: Convert to fraction form
    19,114.06/28,682.70 = 12,084.40/x
  3. Step 3: Cross multiply
    19,114.06x = 28,682.70 × 12,084.40
  4. Step 4: Simplify right side
    19,114.06x = 346,613,219.88
  5. Step 5: Solve for x
    x = 346,613,219.88/19,114.06
  6. Step 6: Final answer
    x = 18,133.94

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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.