Home / 18,529.75-27,794.67-4,678.75

Finding the Fourth Proportional to 18,529.75, 27,794.67 and 4,678.75

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Solution

The fourth proportional to 18,529.75, 27,794.67 and 4,678.75 is: 7,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.75 : 27,794.67 = 4,678.75 : x
  2. Step 2: Convert to fraction form
    18,529.75/27,794.67 = 4,678.75/x
  3. Step 3: Cross multiply
    18,529.75x = 27,794.67 × 4,678.75
  4. Step 4: Simplify right side
    18,529.75x = 130,044,312.26
  5. Step 5: Solve for x
    x = 130,044,312.26/18,529.75
  6. Step 6: Final answer
    x = 7,018.14

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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.