Home / 20,548.55-28,356.95-11,596.03

Finding the Fourth Proportional to 20,548.55, 28,356.95 and 11,596.03

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Solution

The fourth proportional to 20,548.55, 28,356.95 and 11,596.03 is: 16,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.55 : 28,356.95 = 11,596.03 : x
  2. Step 2: Convert to fraction form
    20,548.55/28,356.95 = 11,596.03/x
  3. Step 3: Cross multiply
    20,548.55x = 28,356.95 × 11,596.03
  4. Step 4: Simplify right side
    20,548.55x = 328,828,001.01
  5. Step 5: Solve for x
    x = 328,828,001.01/20,548.55
  6. Step 6: Final answer
    x = 16,002.49

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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.