Home / 13,177.54-18,176.05-8,070.67

Finding the Fourth Proportional to 13,177.54, 18,176.05 and 8,070.67

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Solution

The fourth proportional to 13,177.54, 18,176.05 and 8,070.67 is: 11,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.54 : 18,176.05 = 8,070.67 : x
  2. Step 2: Convert to fraction form
    13,177.54/18,176.05 = 8,070.67/x
  3. Step 3: Cross multiply
    13,177.54x = 18,176.05 × 8,070.67
  4. Step 4: Simplify right side
    13,177.54x = 146,692,770.22
  5. Step 5: Solve for x
    x = 146,692,770.22/13,177.54
  6. Step 6: Final answer
    x = 11,132.03

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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.