Home / 13,462.08-18,578.52-7,493.76

Finding the Fourth Proportional to 13,462.08, 18,578.52 and 7,493.76

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Solution

The fourth proportional to 13,462.08, 18,578.52 and 7,493.76 is: 10,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.08 : 18,578.52 = 7,493.76 : x
  2. Step 2: Convert to fraction form
    13,462.08/18,578.52 = 7,493.76/x
  3. Step 3: Cross multiply
    13,462.08x = 18,578.52 × 7,493.76
  4. Step 4: Simplify right side
    13,462.08x = 139,222,970.04
  5. Step 5: Solve for x
    x = 139,222,970.04/13,462.08
  6. Step 6: Final answer
    x = 10,341.86

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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.