Home / 18,646.77-27,970.23-7,553.67

Finding the Fourth Proportional to 18,646.77, 27,970.23 and 7,553.67

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Solution

The fourth proportional to 18,646.77, 27,970.23 and 7,553.67 is: 11,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.77 : 27,970.23 = 7,553.67 : x
  2. Step 2: Convert to fraction form
    18,646.77/27,970.23 = 7,553.67/x
  3. Step 3: Cross multiply
    18,646.77x = 27,970.23 × 7,553.67
  4. Step 4: Simplify right side
    18,646.77x = 211,277,810.68
  5. Step 5: Solve for x
    x = 211,277,810.68/18,646.77
  6. Step 6: Final answer
    x = 11,330.53

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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.