Home / 20,526.93-28,326.55-11,452.53

Finding the Fourth Proportional to 20,526.93, 28,326.55 and 11,452.53

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Solution

The fourth proportional to 20,526.93, 28,326.55 and 11,452.53 is: 15,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.93 : 28,326.55 = 11,452.53 : x
  2. Step 2: Convert to fraction form
    20,526.93/28,326.55 = 11,452.53/x
  3. Step 3: Cross multiply
    20,526.93x = 28,326.55 × 11,452.53
  4. Step 4: Simplify right side
    20,526.93x = 324,410,726.72
  5. Step 5: Solve for x
    x = 324,410,726.72/20,526.93
  6. Step 6: Final answer
    x = 15,804.15

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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.