Home / 14,461.76-21,692.64-5,697.60

Finding the Fourth Proportional to 14,461.76, 21,692.64 and 5,697.60

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Solution

The fourth proportional to 14,461.76, 21,692.64 and 5,697.60 is: 8,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.76 : 21,692.64 = 5,697.60 : x
  2. Step 2: Convert to fraction form
    14,461.76/21,692.64 = 5,697.60/x
  3. Step 3: Cross multiply
    14,461.76x = 21,692.64 × 5,697.60
  4. Step 4: Simplify right side
    14,461.76x = 123,595,985.66
  5. Step 5: Solve for x
    x = 123,595,985.66/14,461.76
  6. Step 6: Final answer
    x = 8,546.40

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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.