Home / 20,598.48-28,427.49-11,646.17

Finding the Fourth Proportional to 20,598.48, 28,427.49 and 11,646.17

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Solution

The fourth proportional to 20,598.48, 28,427.49 and 11,646.17 is: 16,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.48 : 28,427.49 = 11,646.17 : x
  2. Step 2: Convert to fraction form
    20,598.48/28,427.49 = 11,646.17/x
  3. Step 3: Cross multiply
    20,598.48x = 28,427.49 × 11,646.17
  4. Step 4: Simplify right side
    20,598.48x = 331,071,239.08
  5. Step 5: Solve for x
    x = 331,071,239.08/20,598.48
  6. Step 6: Final answer
    x = 16,072.61

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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.