Home / 21,554.10-32,308.98-11,672.51

Finding the Fourth Proportional to 21,554.10, 32,308.98 and 11,672.51

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Solution

The fourth proportional to 21,554.10, 32,308.98 and 11,672.51 is: 17,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.10 : 32,308.98 = 11,672.51 : x
  2. Step 2: Convert to fraction form
    21,554.10/32,308.98 = 11,672.51/x
  3. Step 3: Cross multiply
    21,554.10x = 32,308.98 × 11,672.51
  4. Step 4: Simplify right side
    21,554.10x = 377,126,686.82
  5. Step 5: Solve for x
    x = 377,126,686.82/21,554.10
  6. Step 6: Final answer
    x = 17,496.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.