Home / 19,509.91-26,923.56-11,012.13

Finding the Fourth Proportional to 19,509.91, 26,923.56 and 11,012.13

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Solution

The fourth proportional to 19,509.91, 26,923.56 and 11,012.13 is: 15,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.91 : 26,923.56 = 11,012.13 : x
  2. Step 2: Convert to fraction form
    19,509.91/26,923.56 = 11,012.13/x
  3. Step 3: Cross multiply
    19,509.91x = 26,923.56 × 11,012.13
  4. Step 4: Simplify right side
    19,509.91x = 296,485,701.49
  5. Step 5: Solve for x
    x = 296,485,701.49/19,509.91
  6. Step 6: Final answer
    x = 15,196.67

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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.