Home / 13,461.82-18,577.08-7,493.32

Finding the Fourth Proportional to 13,461.82, 18,577.08 and 7,493.32

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Solution

The fourth proportional to 13,461.82, 18,577.08 and 7,493.32 is: 10,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.82 : 18,577.08 = 7,493.32 : x
  2. Step 2: Convert to fraction form
    13,461.82/18,577.08 = 7,493.32/x
  3. Step 3: Cross multiply
    13,461.82x = 18,577.08 × 7,493.32
  4. Step 4: Simplify right side
    13,461.82x = 139,204,005.11
  5. Step 5: Solve for x
    x = 139,204,005.11/13,461.82
  6. Step 6: Final answer
    x = 10,340.65

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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.