Home / 28,548.03-42,822.33-12,753.84

Finding the Fourth Proportional to 28,548.03, 42,822.33 and 12,753.84

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Solution

The fourth proportional to 28,548.03, 42,822.33 and 12,753.84 is: 19,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.03 : 42,822.33 = 12,753.84 : x
  2. Step 2: Convert to fraction form
    28,548.03/42,822.33 = 12,753.84/x
  3. Step 3: Cross multiply
    28,548.03x = 42,822.33 × 12,753.84
  4. Step 4: Simplify right side
    28,548.03x = 546,149,145.25
  5. Step 5: Solve for x
    x = 546,149,145.25/28,548.03
  6. Step 6: Final answer
    x = 19,130.89

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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.