Home / 16,776.90-25,165.31-5,090.13

Finding the Fourth Proportional to 16,776.90, 25,165.31 and 5,090.13

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Solution

The fourth proportional to 16,776.90, 25,165.31 and 5,090.13 is: 7,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.90 : 25,165.31 = 5,090.13 : x
  2. Step 2: Convert to fraction form
    16,776.90/25,165.31 = 5,090.13/x
  3. Step 3: Cross multiply
    16,776.90x = 25,165.31 × 5,090.13
  4. Step 4: Simplify right side
    16,776.90x = 128,094,673.94
  5. Step 5: Solve for x
    x = 128,094,673.94/16,776.90
  6. Step 6: Final answer
    x = 7,635.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.