Home / 23,178.58-31,986.65-12,568.24

Finding the Fourth Proportional to 23,178.58, 31,986.65 and 12,568.24

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Solution

The fourth proportional to 23,178.58, 31,986.65 and 12,568.24 is: 17,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.58 : 31,986.65 = 12,568.24 : x
  2. Step 2: Convert to fraction form
    23,178.58/31,986.65 = 12,568.24/x
  3. Step 3: Cross multiply
    23,178.58x = 31,986.65 × 12,568.24
  4. Step 4: Simplify right side
    23,178.58x = 402,015,894.00
  5. Step 5: Solve for x
    x = 402,015,894.00/23,178.58
  6. Step 6: Final answer
    x = 17,344.28

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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.