Home / 18,556.42-25,607.82-10,172.92

Finding the Fourth Proportional to 18,556.42, 25,607.82 and 10,172.92

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Solution

The fourth proportional to 18,556.42, 25,607.82 and 10,172.92 is: 14,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.42 : 25,607.82 = 10,172.92 : x
  2. Step 2: Convert to fraction form
    18,556.42/25,607.82 = 10,172.92/x
  3. Step 3: Cross multiply
    18,556.42x = 25,607.82 × 10,172.92
  4. Step 4: Simplify right side
    18,556.42x = 260,506,304.23
  5. Step 5: Solve for x
    x = 260,506,304.23/18,556.42
  6. Step 6: Final answer
    x = 14,038.61

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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.