Home / 13,852.60-20,780.69-6,354.35

Finding the Fourth Proportional to 13,852.60, 20,780.69 and 6,354.35

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Solution

The fourth proportional to 13,852.60, 20,780.69 and 6,354.35 is: 9,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.60 : 20,780.69 = 6,354.35 : x
  2. Step 2: Convert to fraction form
    13,852.60/20,780.69 = 6,354.35/x
  3. Step 3: Cross multiply
    13,852.60x = 20,780.69 × 6,354.35
  4. Step 4: Simplify right side
    13,852.60x = 132,047,777.50
  5. Step 5: Solve for x
    x = 132,047,777.50/13,852.60
  6. Step 6: Final answer
    x = 9,532.35

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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.