Home / 20,636.90-30,955.39-6,598.06

Finding the Fourth Proportional to 20,636.90, 30,955.39 and 6,598.06

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Solution

The fourth proportional to 20,636.90, 30,955.39 and 6,598.06 is: 9,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.90 : 30,955.39 = 6,598.06 : x
  2. Step 2: Convert to fraction form
    20,636.90/30,955.39 = 6,598.06/x
  3. Step 3: Cross multiply
    20,636.90x = 30,955.39 × 6,598.06
  4. Step 4: Simplify right side
    20,636.90x = 204,245,426.66
  5. Step 5: Solve for x
    x = 204,245,426.66/20,636.90
  6. Step 6: Final answer
    x = 9,897.10

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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.