Home / 13,879.04-19,128.69-10,050.57

Finding the Fourth Proportional to 13,879.04, 19,128.69 and 10,050.57

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Solution

The fourth proportional to 13,879.04, 19,128.69 and 10,050.57 is: 13,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.04 : 19,128.69 = 10,050.57 : x
  2. Step 2: Convert to fraction form
    13,879.04/19,128.69 = 10,050.57/x
  3. Step 3: Cross multiply
    13,879.04x = 19,128.69 × 10,050.57
  4. Step 4: Simplify right side
    13,879.04x = 192,254,237.85
  5. Step 5: Solve for x
    x = 192,254,237.85/13,879.04
  6. Step 6: Final answer
    x = 13,852.13

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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.