Home / 24,759.72-34,130.70-20,968.92

Finding the Fourth Proportional to 24,759.72, 34,130.70 and 20,968.92

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Solution

The fourth proportional to 24,759.72, 34,130.70 and 20,968.92 is: 28,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,759.72 : 34,130.70 = 20,968.92 : x
  2. Step 2: Convert to fraction form
    24,759.72/34,130.70 = 20,968.92/x
  3. Step 3: Cross multiply
    24,759.72x = 34,130.70 × 20,968.92
  4. Step 4: Simplify right side
    24,759.72x = 715,683,917.84
  5. Step 5: Solve for x
    x = 715,683,917.84/24,759.72
  6. Step 6: Final answer
    x = 28,905.17

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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.