Home / 16,740.79-25,111.18-13,045.78

Finding the Fourth Proportional to 16,740.79, 25,111.18 and 13,045.78

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Solution

The fourth proportional to 16,740.79, 25,111.18 and 13,045.78 is: 19,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.79 : 25,111.18 = 13,045.78 : x
  2. Step 2: Convert to fraction form
    16,740.79/25,111.18 = 13,045.78/x
  3. Step 3: Cross multiply
    16,740.79x = 25,111.18 × 13,045.78
  4. Step 4: Simplify right side
    16,740.79x = 327,594,977.52
  5. Step 5: Solve for x
    x = 327,594,977.52/16,740.79
  6. Step 6: Final answer
    x = 19,568.67

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.