Home / 14,140.77-19,556.55-12,369.30

Finding the Fourth Proportional to 14,140.77, 19,556.55 and 12,369.30

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Solution

The fourth proportional to 14,140.77, 19,556.55 and 12,369.30 is: 17,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.77 : 19,556.55 = 12,369.30 : x
  2. Step 2: Convert to fraction form
    14,140.77/19,556.55 = 12,369.30/x
  3. Step 3: Cross multiply
    14,140.77x = 19,556.55 × 12,369.30
  4. Step 4: Simplify right side
    14,140.77x = 241,900,833.92
  5. Step 5: Solve for x
    x = 241,900,833.92/14,140.77
  6. Step 6: Final answer
    x = 17,106.62

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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.