Home / 14,955.42-20,637.54-8,983.56

Finding the Fourth Proportional to 14,955.42, 20,637.54 and 8,983.56

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Solution

The fourth proportional to 14,955.42, 20,637.54 and 8,983.56 is: 12,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.42 : 20,637.54 = 8,983.56 : x
  2. Step 2: Convert to fraction form
    14,955.42/20,637.54 = 8,983.56/x
  3. Step 3: Cross multiply
    14,955.42x = 20,637.54 × 8,983.56
  4. Step 4: Simplify right side
    14,955.42x = 185,398,578.84
  5. Step 5: Solve for x
    x = 185,398,578.84/14,955.42
  6. Step 6: Final answer
    x = 12,396.75

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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.