Home / 18,335.07-25,302.39-9,951.57

Finding the Fourth Proportional to 18,335.07, 25,302.39 and 9,951.57

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Solution

The fourth proportional to 18,335.07, 25,302.39 and 9,951.57 is: 13,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.07 : 25,302.39 = 9,951.57 : x
  2. Step 2: Convert to fraction form
    18,335.07/25,302.39 = 9,951.57/x
  3. Step 3: Cross multiply
    18,335.07x = 25,302.39 × 9,951.57
  4. Step 4: Simplify right side
    18,335.07x = 251,798,378.74
  5. Step 5: Solve for x
    x = 251,798,378.74/18,335.07
  6. Step 6: Final answer
    x = 13,733.16

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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.