Home / 23,043.02-31,799.18-12,971.58

Finding the Fourth Proportional to 23,043.02, 31,799.18 and 12,971.58

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Solution

The fourth proportional to 23,043.02, 31,799.18 and 12,971.58 is: 17,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.02 : 31,799.18 = 12,971.58 : x
  2. Step 2: Convert to fraction form
    23,043.02/31,799.18 = 12,971.58/x
  3. Step 3: Cross multiply
    23,043.02x = 31,799.18 × 12,971.58
  4. Step 4: Simplify right side
    23,043.02x = 412,485,520.49
  5. Step 5: Solve for x
    x = 412,485,520.49/23,043.02
  6. Step 6: Final answer
    x = 17,900.67

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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.