Home / 23,931.63-33,026.75-13,321.95

Finding the Fourth Proportional to 23,931.63, 33,026.75 and 13,321.95

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Solution

The fourth proportional to 23,931.63, 33,026.75 and 13,321.95 is: 18,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.63 : 33,026.75 = 13,321.95 : x
  2. Step 2: Convert to fraction form
    23,931.63/33,026.75 = 13,321.95/x
  3. Step 3: Cross multiply
    23,931.63x = 33,026.75 × 13,321.95
  4. Step 4: Simplify right side
    23,931.63x = 439,980,712.16
  5. Step 5: Solve for x
    x = 439,980,712.16/23,931.63
  6. Step 6: Final answer
    x = 18,384.90

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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.