Home / 17,618.12-24,304.02-13,419.08

Finding the Fourth Proportional to 17,618.12, 24,304.02 and 13,419.08

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Solution

The fourth proportional to 17,618.12, 24,304.02 and 13,419.08 is: 18,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.12 : 24,304.02 = 13,419.08 : x
  2. Step 2: Convert to fraction form
    17,618.12/24,304.02 = 13,419.08/x
  3. Step 3: Cross multiply
    17,618.12x = 24,304.02 × 13,419.08
  4. Step 4: Simplify right side
    17,618.12x = 326,137,588.70
  5. Step 5: Solve for x
    x = 326,137,588.70/17,618.12
  6. Step 6: Final answer
    x = 18,511.49

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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.