Home / 16,777.72-23,158.07-11,113.39

Finding the Fourth Proportional to 16,777.72, 23,158.07 and 11,113.39

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Solution

The fourth proportional to 16,777.72, 23,158.07 and 11,113.39 is: 15,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.72 : 23,158.07 = 11,113.39 : x
  2. Step 2: Convert to fraction form
    16,777.72/23,158.07 = 11,113.39/x
  3. Step 3: Cross multiply
    16,777.72x = 23,158.07 × 11,113.39
  4. Step 4: Simplify right side
    16,777.72x = 257,364,663.56
  5. Step 5: Solve for x
    x = 257,364,663.56/16,777.72
  6. Step 6: Final answer
    x = 15,339.67

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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.