Home / 23,905.21-32,990.10-13,295.61

Finding the Fourth Proportional to 23,905.21, 32,990.10 and 13,295.61

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Solution

The fourth proportional to 23,905.21, 32,990.10 and 13,295.61 is: 18,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.21 : 32,990.10 = 13,295.61 : x
  2. Step 2: Convert to fraction form
    23,905.21/32,990.10 = 13,295.61/x
  3. Step 3: Cross multiply
    23,905.21x = 32,990.10 × 13,295.61
  4. Step 4: Simplify right side
    23,905.21x = 438,623,503.46
  5. Step 5: Solve for x
    x = 438,623,503.46/23,905.21
  6. Step 6: Final answer
    x = 18,348.45

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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.