Home / 23,931.21-33,023.79-13,858.86

Finding the Fourth Proportional to 23,931.21, 33,023.79 and 13,858.86

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Solution

The fourth proportional to 23,931.21, 33,023.79 and 13,858.86 is: 19,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.21 : 33,023.79 = 13,858.86 : x
  2. Step 2: Convert to fraction form
    23,931.21/33,023.79 = 13,858.86/x
  3. Step 3: Cross multiply
    23,931.21x = 33,023.79 × 13,858.86
  4. Step 4: Simplify right side
    23,931.21x = 457,672,082.28
  5. Step 5: Solve for x
    x = 457,672,082.28/23,931.21
  6. Step 6: Final answer
    x = 19,124.49

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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.