Home / 18,630.09-27,945.18-5,482.62

Finding the Fourth Proportional to 18,630.09, 27,945.18 and 5,482.62

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Solution

The fourth proportional to 18,630.09, 27,945.18 and 5,482.62 is: 8,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.09 : 27,945.18 = 5,482.62 : x
  2. Step 2: Convert to fraction form
    18,630.09/27,945.18 = 5,482.62/x
  3. Step 3: Cross multiply
    18,630.09x = 27,945.18 × 5,482.62
  4. Step 4: Simplify right side
    18,630.09x = 153,212,802.77
  5. Step 5: Solve for x
    x = 153,212,802.77/18,630.09
  6. Step 6: Final answer
    x = 8,223.94

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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.