Home / 19,235.40-28,853.10-6,091.80

Finding the Fourth Proportional to 19,235.40, 28,853.10 and 6,091.80

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Solution

The fourth proportional to 19,235.40, 28,853.10 and 6,091.80 is: 9,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.40 : 28,853.10 = 6,091.80 : x
  2. Step 2: Convert to fraction form
    19,235.40/28,853.10 = 6,091.80/x
  3. Step 3: Cross multiply
    19,235.40x = 28,853.10 × 6,091.80
  4. Step 4: Simplify right side
    19,235.40x = 175,767,314.58
  5. Step 5: Solve for x
    x = 175,767,314.58/19,235.40
  6. Step 6: Final answer
    x = 9,137.70

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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.