Home / 18,265.07-25,205.76-10,307.76

Finding the Fourth Proportional to 18,265.07, 25,205.76 and 10,307.76

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Solution

The fourth proportional to 18,265.07, 25,205.76 and 10,307.76 is: 14,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.07 : 25,205.76 = 10,307.76 : x
  2. Step 2: Convert to fraction form
    18,265.07/25,205.76 = 10,307.76/x
  3. Step 3: Cross multiply
    18,265.07x = 25,205.76 × 10,307.76
  4. Step 4: Simplify right side
    18,265.07x = 259,814,924.70
  5. Step 5: Solve for x
    x = 259,814,924.70/18,265.07
  6. Step 6: Final answer
    x = 14,224.69

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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.