Home / 23,467.76-32,381.40-13,391.60

Finding the Fourth Proportional to 23,467.76, 32,381.40 and 13,391.60

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Solution

The fourth proportional to 23,467.76, 32,381.40 and 13,391.60 is: 18,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,467.76 : 32,381.40 = 13,391.60 : x
  2. Step 2: Convert to fraction form
    23,467.76/32,381.40 = 13,391.60/x
  3. Step 3: Cross multiply
    23,467.76x = 32,381.40 × 13,391.60
  4. Step 4: Simplify right side
    23,467.76x = 433,638,756.24
  5. Step 5: Solve for x
    x = 433,638,756.24/23,467.76
  6. Step 6: Final answer
    x = 18,478.06

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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.