Home / 18,556.36-25,607.10-10,172.68

Finding the Fourth Proportional to 18,556.36, 25,607.10 and 10,172.68

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Solution

The fourth proportional to 18,556.36, 25,607.10 and 10,172.68 is: 14,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.36 : 25,607.10 = 10,172.68 : x
  2. Step 2: Convert to fraction form
    18,556.36/25,607.10 = 10,172.68/x
  3. Step 3: Cross multiply
    18,556.36x = 25,607.10 × 10,172.68
  4. Step 4: Simplify right side
    18,556.36x = 260,492,834.03
  5. Step 5: Solve for x
    x = 260,492,834.03/18,556.36
  6. Step 6: Final answer
    x = 14,037.93

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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.