Home / 21,829.08-30,055.06-19,833.67

Finding the Fourth Proportional to 21,829.08, 30,055.06 and 19,833.67

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Solution

The fourth proportional to 21,829.08, 30,055.06 and 19,833.67 is: 27,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.08 : 30,055.06 = 19,833.67 : x
  2. Step 2: Convert to fraction form
    21,829.08/30,055.06 = 19,833.67/x
  3. Step 3: Cross multiply
    21,829.08x = 30,055.06 × 19,833.67
  4. Step 4: Simplify right side
    21,829.08x = 596,102,141.87
  5. Step 5: Solve for x
    x = 596,102,141.87/21,829.08
  6. Step 6: Final answer
    x = 27,307.71

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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.