Home / 19,406.51-26,781.08-11,340.63

Finding the Fourth Proportional to 19,406.51, 26,781.08 and 11,340.63

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Solution

The fourth proportional to 19,406.51, 26,781.08 and 11,340.63 is: 15,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.51 : 26,781.08 = 11,340.63 : x
  2. Step 2: Convert to fraction form
    19,406.51/26,781.08 = 11,340.63/x
  3. Step 3: Cross multiply
    19,406.51x = 26,781.08 × 11,340.63
  4. Step 4: Simplify right side
    19,406.51x = 303,714,262.58
  5. Step 5: Solve for x
    x = 303,714,262.58/19,406.51
  6. Step 6: Final answer
    x = 15,650.13

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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.