Home / 20,548.93-28,357.47-11,596.40

Finding the Fourth Proportional to 20,548.93, 28,357.47 and 11,596.40

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Solution

The fourth proportional to 20,548.93, 28,357.47 and 11,596.40 is: 16,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.93 : 28,357.47 = 11,596.40 : x
  2. Step 2: Convert to fraction form
    20,548.93/28,357.47 = 11,596.40/x
  3. Step 3: Cross multiply
    20,548.93x = 28,357.47 × 11,596.40
  4. Step 4: Simplify right side
    20,548.93x = 328,844,636.00
  5. Step 5: Solve for x
    x = 328,844,636.00/20,548.93
  6. Step 6: Final answer
    x = 16,003.01

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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.