Home / 13,292.58-19,930.50-7,048.65

Finding the Fourth Proportional to 13,292.58, 19,930.50 and 7,048.65

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Solution

The fourth proportional to 13,292.58, 19,930.50 and 7,048.65 is: 10,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.58 : 19,930.50 = 7,048.65 : x
  2. Step 2: Convert to fraction form
    13,292.58/19,930.50 = 7,048.65/x
  3. Step 3: Cross multiply
    13,292.58x = 19,930.50 × 7,048.65
  4. Step 4: Simplify right side
    13,292.58x = 140,483,118.83
  5. Step 5: Solve for x
    x = 140,483,118.83/13,292.58
  6. Step 6: Final answer
    x = 10,568.54

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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.