Home / 34,280.06-47,305.53-19,172.75

Finding the Fourth Proportional to 34,280.06, 47,305.53 and 19,172.75

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Solution

The fourth proportional to 34,280.06, 47,305.53 and 19,172.75 is: 26,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.06 : 47,305.53 = 19,172.75 : x
  2. Step 2: Convert to fraction form
    34,280.06/47,305.53 = 19,172.75/x
  3. Step 3: Cross multiply
    34,280.06x = 47,305.53 × 19,172.75
  4. Step 4: Simplify right side
    34,280.06x = 906,976,863.78
  5. Step 5: Solve for x
    x = 906,976,863.78/34,280.06
  6. Step 6: Final answer
    x = 26,457.86

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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.