Home / 23,430.24-32,333.36-12,819.68

Finding the Fourth Proportional to 23,430.24, 32,333.36 and 12,819.68

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Solution

The fourth proportional to 23,430.24, 32,333.36 and 12,819.68 is: 17,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.24 : 32,333.36 = 12,819.68 : x
  2. Step 2: Convert to fraction form
    23,430.24/32,333.36 = 12,819.68/x
  3. Step 3: Cross multiply
    23,430.24x = 32,333.36 × 12,819.68
  4. Step 4: Simplify right side
    23,430.24x = 414,503,328.52
  5. Step 5: Solve for x
    x = 414,503,328.52/23,430.24
  6. Step 6: Final answer
    x = 17,690.96

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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.