Home / 14,983.02-20,685.51-13,322.46

Finding the Fourth Proportional to 14,983.02, 20,685.51 and 13,322.46

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Solution

The fourth proportional to 14,983.02, 20,685.51 and 13,322.46 is: 18,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.02 : 20,685.51 = 13,322.46 : x
  2. Step 2: Convert to fraction form
    14,983.02/20,685.51 = 13,322.46/x
  3. Step 3: Cross multiply
    14,983.02x = 20,685.51 × 13,322.46
  4. Step 4: Simplify right side
    14,983.02x = 275,581,879.55
  5. Step 5: Solve for x
    x = 275,581,879.55/14,983.02
  6. Step 6: Final answer
    x = 18,392.95

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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.