Home / 18,751.12-25,875.64-10,367.44

Finding the Fourth Proportional to 18,751.12, 25,875.64 and 10,367.44

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Solution

The fourth proportional to 18,751.12, 25,875.64 and 10,367.44 is: 14,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.12 : 25,875.64 = 10,367.44 : x
  2. Step 2: Convert to fraction form
    18,751.12/25,875.64 = 10,367.44/x
  3. Step 3: Cross multiply
    18,751.12x = 25,875.64 × 10,367.44
  4. Step 4: Simplify right side
    18,751.12x = 268,264,145.16
  5. Step 5: Solve for x
    x = 268,264,145.16/18,751.12
  6. Step 6: Final answer
    x = 14,306.57

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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.