Home / 18,740.16-25,862.07-12,372.34

Finding the Fourth Proportional to 18,740.16, 25,862.07 and 12,372.34

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Solution

The fourth proportional to 18,740.16, 25,862.07 and 12,372.34 is: 17,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.16 : 25,862.07 = 12,372.34 : x
  2. Step 2: Convert to fraction form
    18,740.16/25,862.07 = 12,372.34/x
  3. Step 3: Cross multiply
    18,740.16x = 25,862.07 × 12,372.34
  4. Step 4: Simplify right side
    18,740.16x = 319,974,323.14
  5. Step 5: Solve for x
    x = 319,974,323.14/18,740.16
  6. Step 6: Final answer
    x = 17,074.26

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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.