Home / 21,480.05-32,243.64-17,066.08

Finding the Fourth Proportional to 21,480.05, 32,243.64 and 17,066.08

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Solution

The fourth proportional to 21,480.05, 32,243.64 and 17,066.08 is: 25,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.05 : 32,243.64 = 17,066.08 : x
  2. Step 2: Convert to fraction form
    21,480.05/32,243.64 = 17,066.08/x
  3. Step 3: Cross multiply
    21,480.05x = 32,243.64 × 17,066.08
  4. Step 4: Simplify right side
    21,480.05x = 550,272,454.40
  5. Step 5: Solve for x
    x = 550,272,454.40/21,480.05
  6. Step 6: Final answer
    x = 25,617.84

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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.