Home / 19,934.48-27,504.54-12,663.92

Finding the Fourth Proportional to 19,934.48, 27,504.54 and 12,663.92

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Solution

The fourth proportional to 19,934.48, 27,504.54 and 12,663.92 is: 17,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.48 : 27,504.54 = 12,663.92 : x
  2. Step 2: Convert to fraction form
    19,934.48/27,504.54 = 12,663.92/x
  3. Step 3: Cross multiply
    19,934.48x = 27,504.54 × 12,663.92
  4. Step 4: Simplify right side
    19,934.48x = 348,315,294.20
  5. Step 5: Solve for x
    x = 348,315,294.20/19,934.48
  6. Step 6: Final answer
    x = 17,473.01

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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.