Home / 21,409.19-32,118.66-11,548.25

Finding the Fourth Proportional to 21,409.19, 32,118.66 and 11,548.25

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Solution

The fourth proportional to 21,409.19, 32,118.66 and 11,548.25 is: 17,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.19 : 32,118.66 = 11,548.25 : x
  2. Step 2: Convert to fraction form
    21,409.19/32,118.66 = 11,548.25/x
  3. Step 3: Cross multiply
    21,409.19x = 32,118.66 × 11,548.25
  4. Step 4: Simplify right side
    21,409.19x = 370,914,154.75
  5. Step 5: Solve for x
    x = 370,914,154.75/21,409.19
  6. Step 6: Final answer
    x = 17,325.00

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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.