Home / 23,430.23-32,333.67-12,819.84

Finding the Fourth Proportional to 23,430.23, 32,333.67 and 12,819.84

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Solution

The fourth proportional to 23,430.23, 32,333.67 and 12,819.84 is: 17,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.23 : 32,333.67 = 12,819.84 : x
  2. Step 2: Convert to fraction form
    23,430.23/32,333.67 = 12,819.84/x
  3. Step 3: Cross multiply
    23,430.23x = 32,333.67 × 12,819.84
  4. Step 4: Simplify right side
    23,430.23x = 414,512,476.01
  5. Step 5: Solve for x
    x = 414,512,476.01/23,430.23
  6. Step 6: Final answer
    x = 17,691.36

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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.