Home / 18,713.26-28,075.98-12,498.52

Finding the Fourth Proportional to 18,713.26, 28,075.98 and 12,498.52

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Solution

The fourth proportional to 18,713.26, 28,075.98 and 12,498.52 is: 18,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.26 : 28,075.98 = 12,498.52 : x
  2. Step 2: Convert to fraction form
    18,713.26/28,075.98 = 12,498.52/x
  3. Step 3: Cross multiply
    18,713.26x = 28,075.98 × 12,498.52
  4. Step 4: Simplify right side
    18,713.26x = 350,908,197.55
  5. Step 5: Solve for x
    x = 350,908,197.55/18,713.26
  6. Step 6: Final answer
    x = 18,751.85

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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.