Home / 19,933.98-27,503.85-12,663.42

Finding the Fourth Proportional to 19,933.98, 27,503.85 and 12,663.42

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Solution

The fourth proportional to 19,933.98, 27,503.85 and 12,663.42 is: 17,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.98 : 27,503.85 = 12,663.42 : x
  2. Step 2: Convert to fraction form
    19,933.98/27,503.85 = 12,663.42/x
  3. Step 3: Cross multiply
    19,933.98x = 27,503.85 × 12,663.42
  4. Step 4: Simplify right side
    19,933.98x = 348,292,804.17
  5. Step 5: Solve for x
    x = 348,292,804.17/19,933.98
  6. Step 6: Final answer
    x = 17,472.32

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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.