Home / 20,026.48-27,637.62-11,529.92

Finding the Fourth Proportional to 20,026.48, 27,637.62 and 11,529.92

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Solution

The fourth proportional to 20,026.48, 27,637.62 and 11,529.92 is: 15,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.48 : 27,637.62 = 11,529.92 : x
  2. Step 2: Convert to fraction form
    20,026.48/27,637.62 = 11,529.92/x
  3. Step 3: Cross multiply
    20,026.48x = 27,637.62 × 11,529.92
  4. Step 4: Simplify right side
    20,026.48x = 318,659,547.59
  5. Step 5: Solve for x
    x = 318,659,547.59/20,026.48
  6. Step 6: Final answer
    x = 15,911.91

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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.