Home / 19,483.66-26,887.71-11,525.68

Finding the Fourth Proportional to 19,483.66, 26,887.71 and 11,525.68

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Solution

The fourth proportional to 19,483.66, 26,887.71 and 11,525.68 is: 15,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.66 : 26,887.71 = 11,525.68 : x
  2. Step 2: Convert to fraction form
    19,483.66/26,887.71 = 11,525.68/x
  3. Step 3: Cross multiply
    19,483.66x = 26,887.71 × 11,525.68
  4. Step 4: Simplify right side
    19,483.66x = 309,899,141.39
  5. Step 5: Solve for x
    x = 309,899,141.39/19,483.66
  6. Step 6: Final answer
    x = 15,905.59

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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.