Home / 19,276.71-26,604.21-11,319.67

Finding the Fourth Proportional to 19,276.71, 26,604.21 and 11,319.67

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Solution

The fourth proportional to 19,276.71, 26,604.21 and 11,319.67 is: 15,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.71 : 26,604.21 = 11,319.67 : x
  2. Step 2: Convert to fraction form
    19,276.71/26,604.21 = 11,319.67/x
  3. Step 3: Cross multiply
    19,276.71x = 26,604.21 × 11,319.67
  4. Step 4: Simplify right side
    19,276.71x = 301,150,877.81
  5. Step 5: Solve for x
    x = 301,150,877.81/19,276.71
  6. Step 6: Final answer
    x = 15,622.52

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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.