Home / 15,840.20-23,748.30-8,054.60

Finding the Fourth Proportional to 15,840.20, 23,748.30 and 8,054.60

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Solution

The fourth proportional to 15,840.20, 23,748.30 and 8,054.60 is: 12,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.20 : 23,748.30 = 8,054.60 : x
  2. Step 2: Convert to fraction form
    15,840.20/23,748.30 = 8,054.60/x
  3. Step 3: Cross multiply
    15,840.20x = 23,748.30 × 8,054.60
  4. Step 4: Simplify right side
    15,840.20x = 191,283,057.18
  5. Step 5: Solve for x
    x = 191,283,057.18/15,840.20
  6. Step 6: Final answer
    x = 12,075.80

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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.