Home / 20,526.70-28,326.84-11,095.27

Finding the Fourth Proportional to 20,526.70, 28,326.84 and 11,095.27

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Solution

The fourth proportional to 20,526.70, 28,326.84 and 11,095.27 is: 15,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.70 : 28,326.84 = 11,095.27 : x
  2. Step 2: Convert to fraction form
    20,526.70/28,326.84 = 11,095.27/x
  3. Step 3: Cross multiply
    20,526.70x = 28,326.84 × 11,095.27
  4. Step 4: Simplify right side
    20,526.70x = 314,293,938.05
  5. Step 5: Solve for x
    x = 314,293,938.05/20,526.70
  6. Step 6: Final answer
    x = 15,311.47

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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.