Home / 17,642.19-26,455.59-5,161.95

Finding the Fourth Proportional to 17,642.19, 26,455.59 and 5,161.95

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Solution

The fourth proportional to 17,642.19, 26,455.59 and 5,161.95 is: 7,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.19 : 26,455.59 = 5,161.95 : x
  2. Step 2: Convert to fraction form
    17,642.19/26,455.59 = 5,161.95/x
  3. Step 3: Cross multiply
    17,642.19x = 26,455.59 × 5,161.95
  4. Step 4: Simplify right side
    17,642.19x = 136,562,432.80
  5. Step 5: Solve for x
    x = 136,562,432.80/17,642.19
  6. Step 6: Final answer
    x = 7,740.67

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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.