Home / 23,520.61-32,458.40-12,910.02

Finding the Fourth Proportional to 23,520.61, 32,458.40 and 12,910.02

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Solution

The fourth proportional to 23,520.61, 32,458.40 and 12,910.02 is: 17,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.61 : 32,458.40 = 12,910.02 : x
  2. Step 2: Convert to fraction form
    23,520.61/32,458.40 = 12,910.02/x
  3. Step 3: Cross multiply
    23,520.61x = 32,458.40 × 12,910.02
  4. Step 4: Simplify right side
    23,520.61x = 419,038,419.00
  5. Step 5: Solve for x
    x = 419,038,419.00/23,520.61
  6. Step 6: Final answer
    x = 17,815.80

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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.