Home / 14,595.39-20,141.06-8,630.55

Finding the Fourth Proportional to 14,595.39, 20,141.06 and 8,630.55

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Solution

The fourth proportional to 14,595.39, 20,141.06 and 8,630.55 is: 11,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.39 : 20,141.06 = 8,630.55 : x
  2. Step 2: Convert to fraction form
    14,595.39/20,141.06 = 8,630.55/x
  3. Step 3: Cross multiply
    14,595.39x = 20,141.06 × 8,630.55
  4. Step 4: Simplify right side
    14,595.39x = 173,828,382.23
  5. Step 5: Solve for x
    x = 173,828,382.23/14,595.39
  6. Step 6: Final answer
    x = 11,909.81

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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.