Home / 14,595.48-20,142.54-8,309.88

Finding the Fourth Proportional to 14,595.48, 20,142.54 and 8,309.88

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Solution

The fourth proportional to 14,595.48, 20,142.54 and 8,309.88 is: 11,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.48 : 20,142.54 = 8,309.88 : x
  2. Step 2: Convert to fraction form
    14,595.48/20,142.54 = 8,309.88/x
  3. Step 3: Cross multiply
    14,595.48x = 20,142.54 × 8,309.88
  4. Step 4: Simplify right side
    14,595.48x = 167,382,090.30
  5. Step 5: Solve for x
    x = 167,382,090.30/14,595.48
  6. Step 6: Final answer
    x = 11,468.08

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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.