Home / 52,197.36-78,295.64-12,754.10

Finding the Fourth Proportional to 52,197.36, 78,295.64 and 12,754.10

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Solution

The fourth proportional to 52,197.36, 78,295.64 and 12,754.10 is: 19,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.36 : 78,295.64 = 12,754.10 : x
  2. Step 2: Convert to fraction form
    52,197.36/78,295.64 = 12,754.10/x
  3. Step 3: Cross multiply
    52,197.36x = 78,295.64 × 12,754.10
  4. Step 4: Simplify right side
    52,197.36x = 998,590,422.12
  5. Step 5: Solve for x
    x = 998,590,422.12/52,197.36
  6. Step 6: Final answer
    x = 19,131.05

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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.