Home / 13,461.77-18,577.58-7,493.08

Finding the Fourth Proportional to 13,461.77, 18,577.58 and 7,493.08

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Solution

The fourth proportional to 13,461.77, 18,577.58 and 7,493.08 is: 10,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.77 : 18,577.58 = 7,493.08 : x
  2. Step 2: Convert to fraction form
    13,461.77/18,577.58 = 7,493.08/x
  3. Step 3: Cross multiply
    13,461.77x = 18,577.58 × 7,493.08
  4. Step 4: Simplify right side
    13,461.77x = 139,203,293.15
  5. Step 5: Solve for x
    x = 139,203,293.15/13,461.77
  6. Step 6: Final answer
    x = 10,340.64

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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.