Home / 52,197.32-78,295.98-12,754.38

Finding the Fourth Proportional to 52,197.32, 78,295.98 and 12,754.38

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Solution

The fourth proportional to 52,197.32, 78,295.98 and 12,754.38 is: 19,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.32 : 78,295.98 = 12,754.38 : x
  2. Step 2: Convert to fraction form
    52,197.32/78,295.98 = 12,754.38/x
  3. Step 3: Cross multiply
    52,197.32x = 78,295.98 × 12,754.38
  4. Step 4: Simplify right side
    52,197.32x = 998,616,681.39
  5. Step 5: Solve for x
    x = 998,616,681.39/52,197.32
  6. Step 6: Final answer
    x = 19,131.57

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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.