Home / 20,673.48-28,537.51-14,655.17

Finding the Fourth Proportional to 20,673.48, 28,537.51 and 14,655.17

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Solution

The fourth proportional to 20,673.48, 28,537.51 and 14,655.17 is: 20,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.48 : 28,537.51 = 14,655.17 : x
  2. Step 2: Convert to fraction form
    20,673.48/28,537.51 = 14,655.17/x
  3. Step 3: Cross multiply
    20,673.48x = 28,537.51 × 14,655.17
  4. Step 4: Simplify right side
    20,673.48x = 418,222,095.13
  5. Step 5: Solve for x
    x = 418,222,095.13/20,673.48
  6. Step 6: Final answer
    x = 20,229.89

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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.