Home / 19,051.92-26,228.12-16,388.64

Finding the Fourth Proportional to 19,051.92, 26,228.12 and 16,388.64

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Solution

The fourth proportional to 19,051.92, 26,228.12 and 16,388.64 is: 22,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.92 : 26,228.12 = 16,388.64 : x
  2. Step 2: Convert to fraction form
    19,051.92/26,228.12 = 16,388.64/x
  3. Step 3: Cross multiply
    19,051.92x = 26,228.12 × 16,388.64
  4. Step 4: Simplify right side
    19,051.92x = 429,843,216.56
  5. Step 5: Solve for x
    x = 429,843,216.56/19,051.92
  6. Step 6: Final answer
    x = 22,561.67

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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.