Home / 18,708.42-25,823.91-12,352.45

Finding the Fourth Proportional to 18,708.42, 25,823.91 and 12,352.45

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Solution

The fourth proportional to 18,708.42, 25,823.91 and 12,352.45 is: 17,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.42 : 25,823.91 = 12,352.45 : x
  2. Step 2: Convert to fraction form
    18,708.42/25,823.91 = 12,352.45/x
  3. Step 3: Cross multiply
    18,708.42x = 25,823.91 × 12,352.45
  4. Step 4: Simplify right side
    18,708.42x = 318,988,587.26
  5. Step 5: Solve for x
    x = 318,988,587.26/18,708.42
  6. Step 6: Final answer
    x = 17,050.54

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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.