Home / 14,607.13-20,157.82-7,892.76

Finding the Fourth Proportional to 14,607.13, 20,157.82 and 7,892.76

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Solution

The fourth proportional to 14,607.13, 20,157.82 and 7,892.76 is: 10,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.13 : 20,157.82 = 7,892.76 : x
  2. Step 2: Convert to fraction form
    14,607.13/20,157.82 = 7,892.76/x
  3. Step 3: Cross multiply
    14,607.13x = 20,157.82 × 7,892.76
  4. Step 4: Simplify right side
    14,607.13x = 159,100,835.38
  5. Step 5: Solve for x
    x = 159,100,835.38/14,607.13
  6. Step 6: Final answer
    x = 10,892.00

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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.