Home / 19,063.60-28,595.40-12,842.80

Finding the Fourth Proportional to 19,063.60, 28,595.40 and 12,842.80

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Solution

The fourth proportional to 19,063.60, 28,595.40 and 12,842.80 is: 19,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.60 : 28,595.40 = 12,842.80 : x
  2. Step 2: Convert to fraction form
    19,063.60/28,595.40 = 12,842.80/x
  3. Step 3: Cross multiply
    19,063.60x = 28,595.40 × 12,842.80
  4. Step 4: Simplify right side
    19,063.60x = 367,245,003.12
  5. Step 5: Solve for x
    x = 367,245,003.12/19,063.60
  6. Step 6: Final answer
    x = 19,264.20

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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.