Home / 13,462.86-18,578.70-7,494.60

Finding the Fourth Proportional to 13,462.86, 18,578.70 and 7,494.60

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Solution

The fourth proportional to 13,462.86, 18,578.70 and 7,494.60 is: 10,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.86 : 18,578.70 = 7,494.60 : x
  2. Step 2: Convert to fraction form
    13,462.86/18,578.70 = 7,494.60/x
  3. Step 3: Cross multiply
    13,462.86x = 18,578.70 × 7,494.60
  4. Step 4: Simplify right side
    13,462.86x = 139,239,925.02
  5. Step 5: Solve for x
    x = 139,239,925.02/13,462.86
  6. Step 6: Final answer
    x = 10,342.52

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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.