Home / 18,701.66-25,810.38-10,743.74

Finding the Fourth Proportional to 18,701.66, 25,810.38 and 10,743.74

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Solution

The fourth proportional to 18,701.66, 25,810.38 and 10,743.74 is: 14,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.66 : 25,810.38 = 10,743.74 : x
  2. Step 2: Convert to fraction form
    18,701.66/25,810.38 = 10,743.74/x
  3. Step 3: Cross multiply
    18,701.66x = 25,810.38 × 10,743.74
  4. Step 4: Simplify right side
    18,701.66x = 277,300,012.02
  5. Step 5: Solve for x
    x = 277,300,012.02/18,701.66
  6. Step 6: Final answer
    x = 14,827.56

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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.