Home / 20,476.26-30,677.31-9,392.22

Finding the Fourth Proportional to 20,476.26, 30,677.31 and 9,392.22

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Solution

The fourth proportional to 20,476.26, 30,677.31 and 9,392.22 is: 14,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.26 : 30,677.31 = 9,392.22 : x
  2. Step 2: Convert to fraction form
    20,476.26/30,677.31 = 9,392.22/x
  3. Step 3: Cross multiply
    20,476.26x = 30,677.31 × 9,392.22
  4. Step 4: Simplify right side
    20,476.26x = 288,128,044.53
  5. Step 5: Solve for x
    x = 288,128,044.53/20,476.26
  6. Step 6: Final answer
    x = 14,071.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.