Home / 20,526.99-28,327.23-11,095.55

Finding the Fourth Proportional to 20,526.99, 28,327.23 and 11,095.55

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Solution

The fourth proportional to 20,526.99, 28,327.23 and 11,095.55 is: 15,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.99 : 28,327.23 = 11,095.55 : x
  2. Step 2: Convert to fraction form
    20,526.99/28,327.23 = 11,095.55/x
  3. Step 3: Cross multiply
    20,526.99x = 28,327.23 × 11,095.55
  4. Step 4: Simplify right side
    20,526.99x = 314,306,236.77
  5. Step 5: Solve for x
    x = 314,306,236.77/20,526.99
  6. Step 6: Final answer
    x = 15,311.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.