Home / 23,112.10-31,894.50-12,501.64

Finding the Fourth Proportional to 23,112.10, 31,894.50 and 12,501.64

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Solution

The fourth proportional to 23,112.10, 31,894.50 and 12,501.64 is: 17,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.10 : 31,894.50 = 12,501.64 : x
  2. Step 2: Convert to fraction form
    23,112.10/31,894.50 = 12,501.64/x
  3. Step 3: Cross multiply
    23,112.10x = 31,894.50 × 12,501.64
  4. Step 4: Simplify right side
    23,112.10x = 398,733,556.98
  5. Step 5: Solve for x
    x = 398,733,556.98/23,112.10
  6. Step 6: Final answer
    x = 17,252.16

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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.