Home / 16,206.97-22,341.13-12,664.03

Finding the Fourth Proportional to 16,206.97, 22,341.13 and 12,664.03

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Solution

The fourth proportional to 16,206.97, 22,341.13 and 12,664.03 is: 17,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,206.97 : 22,341.13 = 12,664.03 : x
  2. Step 2: Convert to fraction form
    16,206.97/22,341.13 = 12,664.03/x
  3. Step 3: Cross multiply
    16,206.97x = 22,341.13 × 12,664.03
  4. Step 4: Simplify right side
    16,206.97x = 282,928,740.55
  5. Step 5: Solve for x
    x = 282,928,740.55/16,206.97
  6. Step 6: Final answer
    x = 17,457.23

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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.