Home / 19,903.36-27,465.08-11,725.68

Finding the Fourth Proportional to 19,903.36, 27,465.08 and 11,725.68

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Solution

The fourth proportional to 19,903.36, 27,465.08 and 11,725.68 is: 16,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.36 : 27,465.08 = 11,725.68 : x
  2. Step 2: Convert to fraction form
    19,903.36/27,465.08 = 11,725.68/x
  3. Step 3: Cross multiply
    19,903.36x = 27,465.08 × 11,725.68
  4. Step 4: Simplify right side
    19,903.36x = 322,046,739.25
  5. Step 5: Solve for x
    x = 322,046,739.25/19,903.36
  6. Step 6: Final answer
    x = 16,180.52

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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.