Home / 13,710.04-20,556.76-6,676.20

Finding the Fourth Proportional to 13,710.04, 20,556.76 and 6,676.20

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Solution

The fourth proportional to 13,710.04, 20,556.76 and 6,676.20 is: 10,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.04 : 20,556.76 = 6,676.20 : x
  2. Step 2: Convert to fraction form
    13,710.04/20,556.76 = 6,676.20/x
  3. Step 3: Cross multiply
    13,710.04x = 20,556.76 × 6,676.20
  4. Step 4: Simplify right side
    13,710.04x = 137,241,041.11
  5. Step 5: Solve for x
    x = 137,241,041.11/13,710.04
  6. Step 6: Final answer
    x = 10,010.26

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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.