Home / 23,931.81-33,027.21-13,321.22

Finding the Fourth Proportional to 23,931.81, 33,027.21 and 13,321.22

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Solution

The fourth proportional to 23,931.81, 33,027.21 and 13,321.22 is: 18,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.81 : 33,027.21 = 13,321.22 : x
  2. Step 2: Convert to fraction form
    23,931.81/33,027.21 = 13,321.22/x
  3. Step 3: Cross multiply
    23,931.81x = 33,027.21 × 13,321.22
  4. Step 4: Simplify right side
    23,931.81x = 439,962,565.26
  5. Step 5: Solve for x
    x = 439,962,565.26/23,931.81
  6. Step 6: Final answer
    x = 18,384.01

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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.