Home / 19,814.58-27,322.16-12,633.12

Finding the Fourth Proportional to 19,814.58, 27,322.16 and 12,633.12

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Solution

The fourth proportional to 19,814.58, 27,322.16 and 12,633.12 is: 17,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.58 : 27,322.16 = 12,633.12 : x
  2. Step 2: Convert to fraction form
    19,814.58/27,322.16 = 12,633.12/x
  3. Step 3: Cross multiply
    19,814.58x = 27,322.16 × 12,633.12
  4. Step 4: Simplify right side
    19,814.58x = 345,164,062.77
  5. Step 5: Solve for x
    x = 345,164,062.77/19,814.58
  6. Step 6: Final answer
    x = 17,419.70

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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.