Home / 18,806.34-25,959.49-12,833.74

Finding the Fourth Proportional to 18,806.34, 25,959.49 and 12,833.74

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Solution

The fourth proportional to 18,806.34, 25,959.49 and 12,833.74 is: 17,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.34 : 25,959.49 = 12,833.74 : x
  2. Step 2: Convert to fraction form
    18,806.34/25,959.49 = 12,833.74/x
  3. Step 3: Cross multiply
    18,806.34x = 25,959.49 × 12,833.74
  4. Step 4: Simplify right side
    18,806.34x = 333,157,345.56
  5. Step 5: Solve for x
    x = 333,157,345.56/18,806.34
  6. Step 6: Final answer
    x = 17,715.16

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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.