Home / 17,906.10-24,701.67-15,281.70

Finding the Fourth Proportional to 17,906.10, 24,701.67 and 15,281.70

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Solution

The fourth proportional to 17,906.10, 24,701.67 and 15,281.70 is: 21,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.10 : 24,701.67 = 15,281.70 : x
  2. Step 2: Convert to fraction form
    17,906.10/24,701.67 = 15,281.70/x
  3. Step 3: Cross multiply
    17,906.10x = 24,701.67 × 15,281.70
  4. Step 4: Simplify right side
    17,906.10x = 377,483,510.44
  5. Step 5: Solve for x
    x = 377,483,510.44/17,906.10
  6. Step 6: Final answer
    x = 21,081.28

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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.