Home / 18,070.48-27,084.93-6,972.31

Finding the Fourth Proportional to 18,070.48, 27,084.93 and 6,972.31

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Solution

The fourth proportional to 18,070.48, 27,084.93 and 6,972.31 is: 10,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.48 : 27,084.93 = 6,972.31 : x
  2. Step 2: Convert to fraction form
    18,070.48/27,084.93 = 6,972.31/x
  3. Step 3: Cross multiply
    18,070.48x = 27,084.93 × 6,972.31
  4. Step 4: Simplify right side
    18,070.48x = 188,844,528.29
  5. Step 5: Solve for x
    x = 188,844,528.29/18,070.48
  6. Step 6: Final answer
    x = 10,450.44

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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.