Home / 23,153.16-31,951.36-13,081.62

Finding the Fourth Proportional to 23,153.16, 31,951.36 and 13,081.62

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Solution

The fourth proportional to 23,153.16, 31,951.36 and 13,081.62 is: 18,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.16 : 31,951.36 = 13,081.62 : x
  2. Step 2: Convert to fraction form
    23,153.16/31,951.36 = 13,081.62/x
  3. Step 3: Cross multiply
    23,153.16x = 31,951.36 × 13,081.62
  4. Step 4: Simplify right side
    23,153.16x = 417,975,550.00
  5. Step 5: Solve for x
    x = 417,975,550.00/23,153.16
  6. Step 6: Final answer
    x = 18,052.64

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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.