Home / 20,232.51-27,925.34-13,146.63

Finding the Fourth Proportional to 20,232.51, 27,925.34 and 13,146.63

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Solution

The fourth proportional to 20,232.51, 27,925.34 and 13,146.63 is: 18,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.51 : 27,925.34 = 13,146.63 : x
  2. Step 2: Convert to fraction form
    20,232.51/27,925.34 = 13,146.63/x
  3. Step 3: Cross multiply
    20,232.51x = 27,925.34 × 13,146.63
  4. Step 4: Simplify right side
    20,232.51x = 367,124,046.87
  5. Step 5: Solve for x
    x = 367,124,046.87/20,232.51
  6. Step 6: Final answer
    x = 18,145.25

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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.