Home / 13,852.45-20,783.10-4,961.77

Finding the Fourth Proportional to 13,852.45, 20,783.10 and 4,961.77

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Solution

The fourth proportional to 13,852.45, 20,783.10 and 4,961.77 is: 7,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.45 : 20,783.10 = 4,961.77 : x
  2. Step 2: Convert to fraction form
    13,852.45/20,783.10 = 4,961.77/x
  3. Step 3: Cross multiply
    13,852.45x = 20,783.10 × 4,961.77
  4. Step 4: Simplify right side
    13,852.45x = 103,121,017.73
  5. Step 5: Solve for x
    x = 103,121,017.73/13,852.45
  6. Step 6: Final answer
    x = 7,444.24

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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.