Home / 13,848.86-19,110.93-8,543.54

Finding the Fourth Proportional to 13,848.86, 19,110.93 and 8,543.54

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Solution

The fourth proportional to 13,848.86, 19,110.93 and 8,543.54 is: 11,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.86 : 19,110.93 = 8,543.54 : x
  2. Step 2: Convert to fraction form
    13,848.86/19,110.93 = 8,543.54/x
  3. Step 3: Cross multiply
    13,848.86x = 19,110.93 × 8,543.54
  4. Step 4: Simplify right side
    13,848.86x = 163,274,994.89
  5. Step 5: Solve for x
    x = 163,274,994.89/13,848.86
  6. Step 6: Final answer
    x = 11,789.78

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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.