Home / 35,692.95-53,540.28-12,000.80

Finding the Fourth Proportional to 35,692.95, 53,540.28 and 12,000.80

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Solution

The fourth proportional to 35,692.95, 53,540.28 and 12,000.80 is: 18,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,692.95 : 53,540.28 = 12,000.80 : x
  2. Step 2: Convert to fraction form
    35,692.95/53,540.28 = 12,000.80/x
  3. Step 3: Cross multiply
    35,692.95x = 53,540.28 × 12,000.80
  4. Step 4: Simplify right side
    35,692.95x = 642,526,209.24
  5. Step 5: Solve for x
    x = 642,526,209.24/35,692.95
  6. Step 6: Final answer
    x = 18,001.49

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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.