Home / 20,027.98-30,046.21-7,547.74

Finding the Fourth Proportional to 20,027.98, 30,046.21 and 7,547.74

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Solution

The fourth proportional to 20,027.98, 30,046.21 and 7,547.74 is: 11,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.98 : 30,046.21 = 7,547.74 : x
  2. Step 2: Convert to fraction form
    20,027.98/30,046.21 = 7,547.74/x
  3. Step 3: Cross multiply
    20,027.98x = 30,046.21 × 7,547.74
  4. Step 4: Simplify right side
    20,027.98x = 226,780,981.07
  5. Step 5: Solve for x
    x = 226,780,981.07/20,027.98
  6. Step 6: Final answer
    x = 11,323.21

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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.