Home / 18,752.40-28,126.31-11,733.03

Finding the Fourth Proportional to 18,752.40, 28,126.31 and 11,733.03

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Solution

The fourth proportional to 18,752.40, 28,126.31 and 11,733.03 is: 17,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.40 : 28,126.31 = 11,733.03 : x
  2. Step 2: Convert to fraction form
    18,752.40/28,126.31 = 11,733.03/x
  3. Step 3: Cross multiply
    18,752.40x = 28,126.31 × 11,733.03
  4. Step 4: Simplify right side
    18,752.40x = 330,006,780.35
  5. Step 5: Solve for x
    x = 330,006,780.35/18,752.40
  6. Step 6: Final answer
    x = 17,598.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.