Home / 23,081.23-31,852.13-12,470.89

Finding the Fourth Proportional to 23,081.23, 31,852.13 and 12,470.89

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Solution

The fourth proportional to 23,081.23, 31,852.13 and 12,470.89 is: 17,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.23 : 31,852.13 = 12,470.89 : x
  2. Step 2: Convert to fraction form
    23,081.23/31,852.13 = 12,470.89/x
  3. Step 3: Cross multiply
    23,081.23x = 31,852.13 × 12,470.89
  4. Step 4: Simplify right side
    23,081.23x = 397,224,409.50
  5. Step 5: Solve for x
    x = 397,224,409.50/23,081.23
  6. Step 6: Final answer
    x = 17,209.85

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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.