Home / 14,383.02-21,574.51-3,994.78

Finding the Fourth Proportional to 14,383.02, 21,574.51 and 3,994.78

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Solution

The fourth proportional to 14,383.02, 21,574.51 and 3,994.78 is: 5,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.02 : 21,574.51 = 3,994.78 : x
  2. Step 2: Convert to fraction form
    14,383.02/21,574.51 = 3,994.78/x
  3. Step 3: Cross multiply
    14,383.02x = 21,574.51 × 3,994.78
  4. Step 4: Simplify right side
    14,383.02x = 86,185,421.06
  5. Step 5: Solve for x
    x = 86,185,421.06/14,383.02
  6. Step 6: Final answer
    x = 5,992.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.