Home / 20,095.04-30,146.70-6,945.68

Finding the Fourth Proportional to 20,095.04, 30,146.70 and 6,945.68

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Solution

The fourth proportional to 20,095.04, 30,146.70 and 6,945.68 is: 10,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.04 : 30,146.70 = 6,945.68 : x
  2. Step 2: Convert to fraction form
    20,095.04/30,146.70 = 6,945.68/x
  3. Step 3: Cross multiply
    20,095.04x = 30,146.70 × 6,945.68
  4. Step 4: Simplify right side
    20,095.04x = 209,389,331.26
  5. Step 5: Solve for x
    x = 209,389,331.26/20,095.04
  6. Step 6: Final answer
    x = 10,419.95

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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.