Home / 14,980.68-20,673.32-8,266.31

Finding the Fourth Proportional to 14,980.68, 20,673.32 and 8,266.31

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Solution

The fourth proportional to 14,980.68, 20,673.32 and 8,266.31 is: 11,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.68 : 20,673.32 = 8,266.31 : x
  2. Step 2: Convert to fraction form
    14,980.68/20,673.32 = 8,266.31/x
  3. Step 3: Cross multiply
    14,980.68x = 20,673.32 × 8,266.31
  4. Step 4: Simplify right side
    14,980.68x = 170,891,927.15
  5. Step 5: Solve for x
    x = 170,891,927.15/14,980.68
  6. Step 6: Final answer
    x = 11,407.49

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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.