Home / 13,328.99-20,005.57-7,094.25

Finding the Fourth Proportional to 13,328.99, 20,005.57 and 7,094.25

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Solution

The fourth proportional to 13,328.99, 20,005.57 and 7,094.25 is: 10,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.99 : 20,005.57 = 7,094.25 : x
  2. Step 2: Convert to fraction form
    13,328.99/20,005.57 = 7,094.25/x
  3. Step 3: Cross multiply
    13,328.99x = 20,005.57 × 7,094.25
  4. Step 4: Simplify right side
    13,328.99x = 141,924,497.24
  5. Step 5: Solve for x
    x = 141,924,497.24/13,328.99
  6. Step 6: Final answer
    x = 10,647.81

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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.