Home / 23,147.48-34,722.86-11,457.56

Finding the Fourth Proportional to 23,147.48, 34,722.86 and 11,457.56

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Solution

The fourth proportional to 23,147.48, 34,722.86 and 11,457.56 is: 17,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.48 : 34,722.86 = 11,457.56 : x
  2. Step 2: Convert to fraction form
    23,147.48/34,722.86 = 11,457.56/x
  3. Step 3: Cross multiply
    23,147.48x = 34,722.86 × 11,457.56
  4. Step 4: Simplify right side
    23,147.48x = 397,839,281.34
  5. Step 5: Solve for x
    x = 397,839,281.34/23,147.48
  6. Step 6: Final answer
    x = 17,187.15

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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.