Home / 14,117.22-19,482.21-8,148.78

Finding the Fourth Proportional to 14,117.22, 19,482.21 and 8,148.78

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Solution

The fourth proportional to 14,117.22, 19,482.21 and 8,148.78 is: 11,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.22 : 19,482.21 = 8,148.78 : x
  2. Step 2: Convert to fraction form
    14,117.22/19,482.21 = 8,148.78/x
  3. Step 3: Cross multiply
    14,117.22x = 19,482.21 × 8,148.78
  4. Step 4: Simplify right side
    14,117.22x = 158,756,243.20
  5. Step 5: Solve for x
    x = 158,756,243.20/14,117.22
  6. Step 6: Final answer
    x = 11,245.57

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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.