Home / 13,468.86-18,586.98-7,500.60

Finding the Fourth Proportional to 13,468.86, 18,586.98 and 7,500.60

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Solution

The fourth proportional to 13,468.86, 18,586.98 and 7,500.60 is: 10,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.86 : 18,586.98 = 7,500.60 : x
  2. Step 2: Convert to fraction form
    13,468.86/18,586.98 = 7,500.60/x
  3. Step 3: Cross multiply
    13,468.86x = 18,586.98 × 7,500.60
  4. Step 4: Simplify right side
    13,468.86x = 139,413,502.19
  5. Step 5: Solve for x
    x = 139,413,502.19/13,468.86
  6. Step 6: Final answer
    x = 10,350.80

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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.