Home / 14,596.30-20,139.18-8,928.98

Finding the Fourth Proportional to 14,596.30, 20,139.18 and 8,928.98

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Solution

The fourth proportional to 14,596.30, 20,139.18 and 8,928.98 is: 12,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.30 : 20,139.18 = 8,928.98 : x
  2. Step 2: Convert to fraction form
    14,596.30/20,139.18 = 8,928.98/x
  3. Step 3: Cross multiply
    14,596.30x = 20,139.18 × 8,928.98
  4. Step 4: Simplify right side
    14,596.30x = 179,822,335.44
  5. Step 5: Solve for x
    x = 179,822,335.44/14,596.30
  6. Step 6: Final answer
    x = 12,319.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.