Home / 14,001.48-20,998.14-11,530.20

Finding the Fourth Proportional to 14,001.48, 20,998.14 and 11,530.20

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Solution

The fourth proportional to 14,001.48, 20,998.14 and 11,530.20 is: 17,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.48 : 20,998.14 = 11,530.20 : x
  2. Step 2: Convert to fraction form
    14,001.48/20,998.14 = 11,530.20/x
  3. Step 3: Cross multiply
    14,001.48x = 20,998.14 × 11,530.20
  4. Step 4: Simplify right side
    14,001.48x = 242,112,753.83
  5. Step 5: Solve for x
    x = 242,112,753.83/14,001.48
  6. Step 6: Final answer
    x = 17,291.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.