Home / 23,086.46-31,859.67-13,015.40

Finding the Fourth Proportional to 23,086.46, 31,859.67 and 13,015.40

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Solution

The fourth proportional to 23,086.46, 31,859.67 and 13,015.40 is: 17,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,086.46 : 31,859.67 = 13,015.40 : x
  2. Step 2: Convert to fraction form
    23,086.46/31,859.67 = 13,015.40/x
  3. Step 3: Cross multiply
    23,086.46x = 31,859.67 × 13,015.40
  4. Step 4: Simplify right side
    23,086.46x = 414,666,189.62
  5. Step 5: Solve for x
    x = 414,666,189.62/23,086.46
  6. Step 6: Final answer
    x = 17,961.45

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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.