Home / 19,629.24-27,047.34-13,330.68

Finding the Fourth Proportional to 19,629.24, 27,047.34 and 13,330.68

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Solution

The fourth proportional to 19,629.24, 27,047.34 and 13,330.68 is: 18,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.24 : 27,047.34 = 13,330.68 : x
  2. Step 2: Convert to fraction form
    19,629.24/27,047.34 = 13,330.68/x
  3. Step 3: Cross multiply
    19,629.24x = 27,047.34 × 13,330.68
  4. Step 4: Simplify right side
    19,629.24x = 360,559,434.39
  5. Step 5: Solve for x
    x = 360,559,434.39/19,629.24
  6. Step 6: Final answer
    x = 18,368.49

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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.