Home / 14,210.68-19,623.12-8,914.60

Finding the Fourth Proportional to 14,210.68, 19,623.12 and 8,914.60

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Solution

The fourth proportional to 14,210.68, 19,623.12 and 8,914.60 is: 12,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.68 : 19,623.12 = 8,914.60 : x
  2. Step 2: Convert to fraction form
    14,210.68/19,623.12 = 8,914.60/x
  3. Step 3: Cross multiply
    14,210.68x = 19,623.12 × 8,914.60
  4. Step 4: Simplify right side
    14,210.68x = 174,932,265.55
  5. Step 5: Solve for x
    x = 174,932,265.55/14,210.68
  6. Step 6: Final answer
    x = 12,309.92

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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.