Home / 16,885.32-25,325.10-5,195.40

Finding the Fourth Proportional to 16,885.32, 25,325.10 and 5,195.40

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Solution

The fourth proportional to 16,885.32, 25,325.10 and 5,195.40 is: 7,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.32 : 25,325.10 = 5,195.40 : x
  2. Step 2: Convert to fraction form
    16,885.32/25,325.10 = 5,195.40/x
  3. Step 3: Cross multiply
    16,885.32x = 25,325.10 × 5,195.40
  4. Step 4: Simplify right side
    16,885.32x = 131,574,024.54
  5. Step 5: Solve for x
    x = 131,574,024.54/16,885.32
  6. Step 6: Final answer
    x = 7,792.21

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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.