Home / 25,692.47-38,541.26-6,972.80

Finding the Fourth Proportional to 25,692.47, 38,541.26 and 6,972.80

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Solution

The fourth proportional to 25,692.47, 38,541.26 and 6,972.80 is: 10,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.47 : 38,541.26 = 6,972.80 : x
  2. Step 2: Convert to fraction form
    25,692.47/38,541.26 = 6,972.80/x
  3. Step 3: Cross multiply
    25,692.47x = 38,541.26 × 6,972.80
  4. Step 4: Simplify right side
    25,692.47x = 268,740,611.51
  5. Step 5: Solve for x
    x = 268,740,611.51/25,692.47
  6. Step 6: Final answer
    x = 10,459.90

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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.