Home / 16,740.64-25,110.20-7,378.16

Finding the Fourth Proportional to 16,740.64, 25,110.20 and 7,378.16

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Solution

The fourth proportional to 16,740.64, 25,110.20 and 7,378.16 is: 11,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.64 : 25,110.20 = 7,378.16 : x
  2. Step 2: Convert to fraction form
    16,740.64/25,110.20 = 7,378.16/x
  3. Step 3: Cross multiply
    16,740.64x = 25,110.20 × 7,378.16
  4. Step 4: Simplify right side
    16,740.64x = 185,266,966.13
  5. Step 5: Solve for x
    x = 185,266,966.13/16,740.64
  6. Step 6: Final answer
    x = 11,066.90

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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.