Home / 13,293.77-19,940.18-6,271.21

Finding the Fourth Proportional to 13,293.77, 19,940.18 and 6,271.21

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Solution

The fourth proportional to 13,293.77, 19,940.18 and 6,271.21 is: 9,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.77 : 19,940.18 = 6,271.21 : x
  2. Step 2: Convert to fraction form
    13,293.77/19,940.18 = 6,271.21/x
  3. Step 3: Cross multiply
    13,293.77x = 19,940.18 × 6,271.21
  4. Step 4: Simplify right side
    13,293.77x = 125,048,956.52
  5. Step 5: Solve for x
    x = 125,048,956.52/13,293.77
  6. Step 6: Final answer
    x = 9,406.58

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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.