Home / 23,870.47-35,827.58-12,789.67

Finding the Fourth Proportional to 23,870.47, 35,827.58 and 12,789.67

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Solution

The fourth proportional to 23,870.47, 35,827.58 and 12,789.67 is: 19,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,870.47 : 35,827.58 = 12,789.67 : x
  2. Step 2: Convert to fraction form
    23,870.47/35,827.58 = 12,789.67/x
  3. Step 3: Cross multiply
    23,870.47x = 35,827.58 × 12,789.67
  4. Step 4: Simplify right side
    23,870.47x = 458,222,713.99
  5. Step 5: Solve for x
    x = 458,222,713.99/23,870.47
  6. Step 6: Final answer
    x = 19,196.22

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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.