Home / 13,573.67-20,360.57-8,923.05

Finding the Fourth Proportional to 13,573.67, 20,360.57 and 8,923.05

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Solution

The fourth proportional to 13,573.67, 20,360.57 and 8,923.05 is: 13,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.67 : 20,360.57 = 8,923.05 : x
  2. Step 2: Convert to fraction form
    13,573.67/20,360.57 = 8,923.05/x
  3. Step 3: Cross multiply
    13,573.67x = 20,360.57 × 8,923.05
  4. Step 4: Simplify right side
    13,573.67x = 181,678,339.52
  5. Step 5: Solve for x
    x = 181,678,339.52/13,573.67
  6. Step 6: Final answer
    x = 13,384.62

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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.