Home / 13,779.97-20,653.55-9,597.33

Finding the Fourth Proportional to 13,779.97, 20,653.55 and 9,597.33

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Solution

The fourth proportional to 13,779.97, 20,653.55 and 9,597.33 is: 14,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.97 : 20,653.55 = 9,597.33 : x
  2. Step 2: Convert to fraction form
    13,779.97/20,653.55 = 9,597.33/x
  3. Step 3: Cross multiply
    13,779.97x = 20,653.55 × 9,597.33
  4. Step 4: Simplify right side
    13,779.97x = 198,218,935.02
  5. Step 5: Solve for x
    x = 198,218,935.02/13,779.97
  6. Step 6: Final answer
    x = 14,384.57

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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.