Home / 23,164.30-31,966.80-13,602.34

Finding the Fourth Proportional to 23,164.30, 31,966.80 and 13,602.34

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Solution

The fourth proportional to 23,164.30, 31,966.80 and 13,602.34 is: 18,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.30 : 31,966.80 = 13,602.34 : x
  2. Step 2: Convert to fraction form
    23,164.30/31,966.80 = 13,602.34/x
  3. Step 3: Cross multiply
    23,164.30x = 31,966.80 × 13,602.34
  4. Step 4: Simplify right side
    23,164.30x = 434,823,282.31
  5. Step 5: Solve for x
    x = 434,823,282.31/23,164.30
  6. Step 6: Final answer
    x = 18,771.27

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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.