Home / 14,606.45-20,156.91-7,892.07

Finding the Fourth Proportional to 14,606.45, 20,156.91 and 7,892.07

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Solution

The fourth proportional to 14,606.45, 20,156.91 and 7,892.07 is: 10,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.45 : 20,156.91 = 7,892.07 : x
  2. Step 2: Convert to fraction form
    14,606.45/20,156.91 = 7,892.07/x
  3. Step 3: Cross multiply
    14,606.45x = 20,156.91 × 7,892.07
  4. Step 4: Simplify right side
    14,606.45x = 159,079,705.24
  5. Step 5: Solve for x
    x = 159,079,705.24/14,606.45
  6. Step 6: Final answer
    x = 10,891.06

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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.