Home / 20,548.06-28,356.45-11,595.94

Finding the Fourth Proportional to 20,548.06, 28,356.45 and 11,595.94

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Solution

The fourth proportional to 20,548.06, 28,356.45 and 11,595.94 is: 16,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.06 : 28,356.45 = 11,595.94 : x
  2. Step 2: Convert to fraction form
    20,548.06/28,356.45 = 11,595.94/x
  3. Step 3: Cross multiply
    20,548.06x = 28,356.45 × 11,595.94
  4. Step 4: Simplify right side
    20,548.06x = 328,819,692.81
  5. Step 5: Solve for x
    x = 328,819,692.81/20,548.06
  6. Step 6: Final answer
    x = 16,002.47

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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.