Home / 18,265.08-25,205.40-10,307.10

Finding the Fourth Proportional to 18,265.08, 25,205.40 and 10,307.10

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Solution

The fourth proportional to 18,265.08, 25,205.40 and 10,307.10 is: 14,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.08 : 25,205.40 = 10,307.10 : x
  2. Step 2: Convert to fraction form
    18,265.08/25,205.40 = 10,307.10/x
  3. Step 3: Cross multiply
    18,265.08x = 25,205.40 × 10,307.10
  4. Step 4: Simplify right side
    18,265.08x = 259,794,578.34
  5. Step 5: Solve for x
    x = 259,794,578.34/18,265.08
  6. Step 6: Final answer
    x = 14,223.57

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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.