Home / 14,837.45-20,477.32-8,465.61

Finding the Fourth Proportional to 14,837.45, 20,477.32 and 8,465.61

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Solution

The fourth proportional to 14,837.45, 20,477.32 and 8,465.61 is: 11,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.45 : 20,477.32 = 8,465.61 : x
  2. Step 2: Convert to fraction form
    14,837.45/20,477.32 = 8,465.61/x
  3. Step 3: Cross multiply
    14,837.45x = 20,477.32 × 8,465.61
  4. Step 4: Simplify right side
    14,837.45x = 173,353,108.21
  5. Step 5: Solve for x
    x = 173,353,108.21/14,837.45
  6. Step 6: Final answer
    x = 11,683.49

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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.