Home / 18,342.04-25,314.12-17,216.08

Finding the Fourth Proportional to 18,342.04, 25,314.12 and 17,216.08

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Solution

The fourth proportional to 18,342.04, 25,314.12 and 17,216.08 is: 23,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.04 : 25,314.12 = 17,216.08 : x
  2. Step 2: Convert to fraction form
    18,342.04/25,314.12 = 17,216.08/x
  3. Step 3: Cross multiply
    18,342.04x = 25,314.12 × 17,216.08
  4. Step 4: Simplify right side
    18,342.04x = 435,809,915.05
  5. Step 5: Solve for x
    x = 435,809,915.05/18,342.04
  6. Step 6: Final answer
    x = 23,760.17

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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.