Home / 14,637.84-20,199.42-8,670.06

Finding the Fourth Proportional to 14,637.84, 20,199.42 and 8,670.06

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Solution

The fourth proportional to 14,637.84, 20,199.42 and 8,670.06 is: 11,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.84 : 20,199.42 = 8,670.06 : x
  2. Step 2: Convert to fraction form
    14,637.84/20,199.42 = 8,670.06/x
  3. Step 3: Cross multiply
    14,637.84x = 20,199.42 × 8,670.06
  4. Step 4: Simplify right side
    14,637.84x = 175,130,183.37
  5. Step 5: Solve for x
    x = 175,130,183.37/14,637.84
  6. Step 6: Final answer
    x = 11,964.21

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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.