Home / 14,529.92-20,051.28-8,242.28

Finding the Fourth Proportional to 14,529.92, 20,051.28 and 8,242.28

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Solution

The fourth proportional to 14,529.92, 20,051.28 and 8,242.28 is: 11,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.92 : 20,051.28 = 8,242.28 : x
  2. Step 2: Convert to fraction form
    14,529.92/20,051.28 = 8,242.28/x
  3. Step 3: Cross multiply
    14,529.92x = 20,051.28 × 8,242.28
  4. Step 4: Simplify right side
    14,529.92x = 165,268,264.12
  5. Step 5: Solve for x
    x = 165,268,264.12/14,529.92
  6. Step 6: Final answer
    x = 11,374.34

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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.