Home / 18,966.66-26,173.85-11,009.63

Finding the Fourth Proportional to 18,966.66, 26,173.85 and 11,009.63

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Solution

The fourth proportional to 18,966.66, 26,173.85 and 11,009.63 is: 15,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.66 : 26,173.85 = 11,009.63 : x
  2. Step 2: Convert to fraction form
    18,966.66/26,173.85 = 11,009.63/x
  3. Step 3: Cross multiply
    18,966.66x = 26,173.85 × 11,009.63
  4. Step 4: Simplify right side
    18,966.66x = 288,164,218.26
  5. Step 5: Solve for x
    x = 288,164,218.26/18,966.66
  6. Step 6: Final answer
    x = 15,193.20

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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.