Home / 17,161.05-25,750.40-12,999.67

Finding the Fourth Proportional to 17,161.05, 25,750.40 and 12,999.67

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Solution

The fourth proportional to 17,161.05, 25,750.40 and 12,999.67 is: 19,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.05 : 25,750.40 = 12,999.67 : x
  2. Step 2: Convert to fraction form
    17,161.05/25,750.40 = 12,999.67/x
  3. Step 3: Cross multiply
    17,161.05x = 25,750.40 × 12,999.67
  4. Step 4: Simplify right side
    17,161.05x = 334,746,637.37
  5. Step 5: Solve for x
    x = 334,746,637.37/17,161.05
  6. Step 6: Final answer
    x = 19,506.19

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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.