Home / 15,634.37-21,575.40-8,561.04

Finding the Fourth Proportional to 15,634.37, 21,575.40 and 8,561.04

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Solution

The fourth proportional to 15,634.37, 21,575.40 and 8,561.04 is: 11,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.37 : 21,575.40 = 8,561.04 : x
  2. Step 2: Convert to fraction form
    15,634.37/21,575.40 = 8,561.04/x
  3. Step 3: Cross multiply
    15,634.37x = 21,575.40 × 8,561.04
  4. Step 4: Simplify right side
    15,634.37x = 184,707,862.42
  5. Step 5: Solve for x
    x = 184,707,862.42/15,634.37
  6. Step 6: Final answer
    x = 11,814.22

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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.