Home / 43,949.51-65,926.09-12,784.76

Finding the Fourth Proportional to 43,949.51, 65,926.09 and 12,784.76

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Solution

The fourth proportional to 43,949.51, 65,926.09 and 12,784.76 is: 19,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,949.51 : 65,926.09 = 12,784.76 : x
  2. Step 2: Convert to fraction form
    43,949.51/65,926.09 = 12,784.76/x
  3. Step 3: Cross multiply
    43,949.51x = 65,926.09 × 12,784.76
  4. Step 4: Simplify right side
    43,949.51x = 842,849,339.40
  5. Step 5: Solve for x
    x = 842,849,339.40/43,949.51
  6. Step 6: Final answer
    x = 19,177.67

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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.