Home / 14,607.02-20,157.68-7,892.64

Finding the Fourth Proportional to 14,607.02, 20,157.68 and 7,892.64

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Solution

The fourth proportional to 14,607.02, 20,157.68 and 7,892.64 is: 10,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.02 : 20,157.68 = 7,892.64 : x
  2. Step 2: Convert to fraction form
    14,607.02/20,157.68 = 7,892.64/x
  3. Step 3: Cross multiply
    14,607.02x = 20,157.68 × 7,892.64
  4. Step 4: Simplify right side
    14,607.02x = 159,097,272.01
  5. Step 5: Solve for x
    x = 159,097,272.01/14,607.02
  6. Step 6: Final answer
    x = 10,891.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.