Home / 17,153.40-25,730.10-6,763.80

Finding the Fourth Proportional to 17,153.40, 25,730.10 and 6,763.80

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Solution

The fourth proportional to 17,153.40, 25,730.10 and 6,763.80 is: 10,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.40 : 25,730.10 = 6,763.80 : x
  2. Step 2: Convert to fraction form
    17,153.40/25,730.10 = 6,763.80/x
  3. Step 3: Cross multiply
    17,153.40x = 25,730.10 × 6,763.80
  4. Step 4: Simplify right side
    17,153.40x = 174,033,250.38
  5. Step 5: Solve for x
    x = 174,033,250.38/17,153.40
  6. Step 6: Final answer
    x = 10,145.70

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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.