Home / 17,805.18-24,554.90-15,286.49

Finding the Fourth Proportional to 17,805.18, 24,554.90 and 15,286.49

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Solution

The fourth proportional to 17,805.18, 24,554.90 and 15,286.49 is: 21,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.18 : 24,554.90 = 15,286.49 : x
  2. Step 2: Convert to fraction form
    17,805.18/24,554.90 = 15,286.49/x
  3. Step 3: Cross multiply
    17,805.18x = 24,554.90 × 15,286.49
  4. Step 4: Simplify right side
    17,805.18x = 375,358,154.84
  5. Step 5: Solve for x
    x = 375,358,154.84/17,805.18
  6. Step 6: Final answer
    x = 21,081.40

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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.