Home / 19,913.87-27,465.80-12,364.67

Finding the Fourth Proportional to 19,913.87, 27,465.80 and 12,364.67

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Solution

The fourth proportional to 19,913.87, 27,465.80 and 12,364.67 is: 17,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.87 : 27,465.80 = 12,364.67 : x
  2. Step 2: Convert to fraction form
    19,913.87/27,465.80 = 12,364.67/x
  3. Step 3: Cross multiply
    19,913.87x = 27,465.80 × 12,364.67
  4. Step 4: Simplify right side
    19,913.87x = 339,605,354.13
  5. Step 5: Solve for x
    x = 339,605,354.13/19,913.87
  6. Step 6: Final answer
    x = 17,053.71

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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.