Home / 24,707.70-34,131.78-19,920.60

Finding the Fourth Proportional to 24,707.70, 34,131.78 and 19,920.60

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Solution

The fourth proportional to 24,707.70, 34,131.78 and 19,920.60 is: 27,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,707.70 : 34,131.78 = 19,920.60 : x
  2. Step 2: Convert to fraction form
    24,707.70/34,131.78 = 19,920.60/x
  3. Step 3: Cross multiply
    24,707.70x = 34,131.78 × 19,920.60
  4. Step 4: Simplify right side
    24,707.70x = 679,925,536.67
  5. Step 5: Solve for x
    x = 679,925,536.67/24,707.70
  6. Step 6: Final answer
    x = 27,518.77

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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.