Home / 15,118.89-22,612.01-13,464.68

Finding the Fourth Proportional to 15,118.89, 22,612.01 and 13,464.68

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Solution

The fourth proportional to 15,118.89, 22,612.01 and 13,464.68 is: 20,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.89 : 22,612.01 = 13,464.68 : x
  2. Step 2: Convert to fraction form
    15,118.89/22,612.01 = 13,464.68/x
  3. Step 3: Cross multiply
    15,118.89x = 22,612.01 × 13,464.68
  4. Step 4: Simplify right side
    15,118.89x = 304,463,501.35
  5. Step 5: Solve for x
    x = 304,463,501.35/15,118.89
  6. Step 6: Final answer
    x = 20,137.96

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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.