Home / 13,292.36-19,944.48-7,448.96

Finding the Fourth Proportional to 13,292.36, 19,944.48 and 7,448.96

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Solution

The fourth proportional to 13,292.36, 19,944.48 and 7,448.96 is: 11,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.36 : 19,944.48 = 7,448.96 : x
  2. Step 2: Convert to fraction form
    13,292.36/19,944.48 = 7,448.96/x
  3. Step 3: Cross multiply
    13,292.36x = 19,944.48 × 7,448.96
  4. Step 4: Simplify right side
    13,292.36x = 148,565,633.74
  5. Step 5: Solve for x
    x = 148,565,633.74/13,292.36
  6. Step 6: Final answer
    x = 11,176.77

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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.