Home / 18,526.50-27,793.98-5,379.93

Finding the Fourth Proportional to 18,526.50, 27,793.98 and 5,379.93

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Solution

The fourth proportional to 18,526.50, 27,793.98 and 5,379.93 is: 8,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.50 : 27,793.98 = 5,379.93 : x
  2. Step 2: Convert to fraction form
    18,526.50/27,793.98 = 5,379.93/x
  3. Step 3: Cross multiply
    18,526.50x = 27,793.98 × 5,379.93
  4. Step 4: Simplify right side
    18,526.50x = 149,529,666.82
  5. Step 5: Solve for x
    x = 149,529,666.82/18,526.50
  6. Step 6: Final answer
    x = 8,071.12

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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.