Home / 16,784.70-25,164.90-6,918.90

Finding the Fourth Proportional to 16,784.70, 25,164.90 and 6,918.90

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Solution

The fourth proportional to 16,784.70, 25,164.90 and 6,918.90 is: 10,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.70 : 25,164.90 = 6,918.90 : x
  2. Step 2: Convert to fraction form
    16,784.70/25,164.90 = 6,918.90/x
  3. Step 3: Cross multiply
    16,784.70x = 25,164.90 × 6,918.90
  4. Step 4: Simplify right side
    16,784.70x = 174,113,426.61
  5. Step 5: Solve for x
    x = 174,113,426.61/16,784.70
  6. Step 6: Final answer
    x = 10,373.34

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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.