Home / 16,742.04-25,115.10-7,852.78

Finding the Fourth Proportional to 16,742.04, 25,115.10 and 7,852.78

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Solution

The fourth proportional to 16,742.04, 25,115.10 and 7,852.78 is: 11,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.04 : 25,115.10 = 7,852.78 : x
  2. Step 2: Convert to fraction form
    16,742.04/25,115.10 = 7,852.78/x
  3. Step 3: Cross multiply
    16,742.04x = 25,115.10 × 7,852.78
  4. Step 4: Simplify right side
    16,742.04x = 197,223,354.98
  5. Step 5: Solve for x
    x = 197,223,354.98/16,742.04
  6. Step 6: Final answer
    x = 11,780.13

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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.