Home / 14,596.50-20,146.77-8,312.58

Finding the Fourth Proportional to 14,596.50, 20,146.77 and 8,312.58

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Solution

The fourth proportional to 14,596.50, 20,146.77 and 8,312.58 is: 11,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.50 : 20,146.77 = 8,312.58 : x
  2. Step 2: Convert to fraction form
    14,596.50/20,146.77 = 8,312.58/x
  3. Step 3: Cross multiply
    14,596.50x = 20,146.77 × 8,312.58
  4. Step 4: Simplify right side
    14,596.50x = 167,471,637.37
  5. Step 5: Solve for x
    x = 167,471,637.37/14,596.50
  6. Step 6: Final answer
    x = 11,473.41

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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.