Home / 25,841.04-35,636.40-20,553.36

Finding the Fourth Proportional to 25,841.04, 35,636.40 and 20,553.36

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Solution

The fourth proportional to 25,841.04, 35,636.40 and 20,553.36 is: 28,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.04 : 35,636.40 = 20,553.36 : x
  2. Step 2: Convert to fraction form
    25,841.04/35,636.40 = 20,553.36/x
  3. Step 3: Cross multiply
    25,841.04x = 35,636.40 × 20,553.36
  4. Step 4: Simplify right side
    25,841.04x = 732,447,758.30
  5. Step 5: Solve for x
    x = 732,447,758.30/25,841.04
  6. Step 6: Final answer
    x = 28,344.36

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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.