Home / 18,301.47-25,246.74-11,575.77

Finding the Fourth Proportional to 18,301.47, 25,246.74 and 11,575.77

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Solution

The fourth proportional to 18,301.47, 25,246.74 and 11,575.77 is: 15,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.47 : 25,246.74 = 11,575.77 : x
  2. Step 2: Convert to fraction form
    18,301.47/25,246.74 = 11,575.77/x
  3. Step 3: Cross multiply
    18,301.47x = 25,246.74 × 11,575.77
  4. Step 4: Simplify right side
    18,301.47x = 292,250,455.49
  5. Step 5: Solve for x
    x = 292,250,455.49/18,301.47
  6. Step 6: Final answer
    x = 15,968.69

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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.