Home / 18,740.34-25,860.60-10,356.84

Finding the Fourth Proportional to 18,740.34, 25,860.60 and 10,356.84

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Solution

The fourth proportional to 18,740.34, 25,860.60 and 10,356.84 is: 14,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.34 : 25,860.60 = 10,356.84 : x
  2. Step 2: Convert to fraction form
    18,740.34/25,860.60 = 10,356.84/x
  3. Step 3: Cross multiply
    18,740.34x = 25,860.60 × 10,356.84
  4. Step 4: Simplify right side
    18,740.34x = 267,834,096.50
  5. Step 5: Solve for x
    x = 267,834,096.50/18,740.34
  6. Step 6: Final answer
    x = 14,291.85

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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.