Home / 20,626.96-28,484.18-19,522.12

Finding the Fourth Proportional to 20,626.96, 28,484.18 and 19,522.12

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Solution

The fourth proportional to 20,626.96, 28,484.18 and 19,522.12 is: 26,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.96 : 28,484.18 = 19,522.12 : x
  2. Step 2: Convert to fraction form
    20,626.96/28,484.18 = 19,522.12/x
  3. Step 3: Cross multiply
    20,626.96x = 28,484.18 × 19,522.12
  4. Step 4: Simplify right side
    20,626.96x = 556,071,580.06
  5. Step 5: Solve for x
    x = 556,071,580.06/20,626.96
  6. Step 6: Final answer
    x = 26,958.48

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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.