Home / 14,981.90-20,669.24-8,606.18

Finding the Fourth Proportional to 14,981.90, 20,669.24 and 8,606.18

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Solution

The fourth proportional to 14,981.90, 20,669.24 and 8,606.18 is: 11,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.90 : 20,669.24 = 8,606.18 : x
  2. Step 2: Convert to fraction form
    14,981.90/20,669.24 = 8,606.18/x
  3. Step 3: Cross multiply
    14,981.90x = 20,669.24 × 8,606.18
  4. Step 4: Simplify right side
    14,981.90x = 177,883,273.09
  5. Step 5: Solve for x
    x = 177,883,273.09/14,981.90
  6. Step 6: Final answer
    x = 11,873.22

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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.