Home / 23,500.26-32,430.77-12,889.86

Finding the Fourth Proportional to 23,500.26, 32,430.77 and 12,889.86

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Solution

The fourth proportional to 23,500.26, 32,430.77 and 12,889.86 is: 17,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,500.26 : 32,430.77 = 12,889.86 : x
  2. Step 2: Convert to fraction form
    23,500.26/32,430.77 = 12,889.86/x
  3. Step 3: Cross multiply
    23,500.26x = 32,430.77 × 12,889.86
  4. Step 4: Simplify right side
    23,500.26x = 418,028,084.99
  5. Step 5: Solve for x
    x = 418,028,084.99/23,500.26
  6. Step 6: Final answer
    x = 17,788.23

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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.