Home / 14,671.95-20,246.74-8,700.05

Finding the Fourth Proportional to 14,671.95, 20,246.74 and 8,700.05

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Solution

The fourth proportional to 14,671.95, 20,246.74 and 8,700.05 is: 12,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.95 : 20,246.74 = 8,700.05 : x
  2. Step 2: Convert to fraction form
    14,671.95/20,246.74 = 8,700.05/x
  3. Step 3: Cross multiply
    14,671.95x = 20,246.74 × 8,700.05
  4. Step 4: Simplify right side
    14,671.95x = 176,147,505.60
  5. Step 5: Solve for x
    x = 176,147,505.60/14,671.95
  6. Step 6: Final answer
    x = 12,005.73

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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.