Home / 18,633.17-25,722.29-12,511.13

Finding the Fourth Proportional to 18,633.17, 25,722.29 and 12,511.13

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Solution

The fourth proportional to 18,633.17, 25,722.29 and 12,511.13 is: 17,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.17 : 25,722.29 = 12,511.13 : x
  2. Step 2: Convert to fraction form
    18,633.17/25,722.29 = 12,511.13/x
  3. Step 3: Cross multiply
    18,633.17x = 25,722.29 × 12,511.13
  4. Step 4: Simplify right side
    18,633.17x = 321,814,816.75
  5. Step 5: Solve for x
    x = 321,814,816.75/18,633.17
  6. Step 6: Final answer
    x = 17,271.07

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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.