Home / 19,088.22-28,647.72-13,161.46

Finding the Fourth Proportional to 19,088.22, 28,647.72 and 13,161.46

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Solution

The fourth proportional to 19,088.22, 28,647.72 and 13,161.46 is: 19,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.22 : 28,647.72 = 13,161.46 : x
  2. Step 2: Convert to fraction form
    19,088.22/28,647.72 = 13,161.46/x
  3. Step 3: Cross multiply
    19,088.22x = 28,647.72 × 13,161.46
  4. Step 4: Simplify right side
    19,088.22x = 377,045,820.87
  5. Step 5: Solve for x
    x = 377,045,820.87/19,088.22
  6. Step 6: Final answer
    x = 19,752.80

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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.