Home / 23,561.63-32,515.11-13,490.22

Finding the Fourth Proportional to 23,561.63, 32,515.11 and 13,490.22

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Solution

The fourth proportional to 23,561.63, 32,515.11 and 13,490.22 is: 18,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,561.63 : 32,515.11 = 13,490.22 : x
  2. Step 2: Convert to fraction form
    23,561.63/32,515.11 = 13,490.22/x
  3. Step 3: Cross multiply
    23,561.63x = 32,515.11 × 13,490.22
  4. Step 4: Simplify right side
    23,561.63x = 438,635,987.22
  5. Step 5: Solve for x
    x = 438,635,987.22/23,561.63
  6. Step 6: Final answer
    x = 18,616.54

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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.