Home / 14,268.63-19,690.32-7,895.05

Finding the Fourth Proportional to 14,268.63, 19,690.32 and 7,895.05

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Solution

The fourth proportional to 14,268.63, 19,690.32 and 7,895.05 is: 10,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.63 : 19,690.32 = 7,895.05 : x
  2. Step 2: Convert to fraction form
    14,268.63/19,690.32 = 7,895.05/x
  3. Step 3: Cross multiply
    14,268.63x = 19,690.32 × 7,895.05
  4. Step 4: Simplify right side
    14,268.63x = 155,456,060.92
  5. Step 5: Solve for x
    x = 155,456,060.92/14,268.63
  6. Step 6: Final answer
    x = 10,894.96

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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.