Home / 20,526.06-28,326-11,094.63

Finding the Fourth Proportional to 20,526.06, 28,326 and 11,094.63

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Solution

The fourth proportional to 20,526.06, 28,326 and 11,094.63 is: 15,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.06 : 28,326 = 11,094.63 : x
  2. Step 2: Convert to fraction form
    20,526.06/28,326 = 11,094.63/x
  3. Step 3: Cross multiply
    20,526.06x = 28,326 × 11,094.63
  4. Step 4: Simplify right side
    20,526.06x = 314,266,489.38
  5. Step 5: Solve for x
    x = 314,266,489.38/20,526.06
  6. Step 6: Final answer
    x = 15,310.61

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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.