Home / 20,597.70-28,403.43-17,623.38

Finding the Fourth Proportional to 20,597.70, 28,403.43 and 17,623.38

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Solution

The fourth proportional to 20,597.70, 28,403.43 and 17,623.38 is: 24,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.70 : 28,403.43 = 17,623.38 : x
  2. Step 2: Convert to fraction form
    20,597.70/28,403.43 = 17,623.38/x
  3. Step 3: Cross multiply
    20,597.70x = 28,403.43 × 17,623.38
  4. Step 4: Simplify right side
    20,597.70x = 500,564,440.19
  5. Step 5: Solve for x
    x = 500,564,440.19/20,597.70
  6. Step 6: Final answer
    x = 24,301.96

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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.