Home / 16,931.17-25,399.13-7,068.21

Finding the Fourth Proportional to 16,931.17, 25,399.13 and 7,068.21

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Solution

The fourth proportional to 16,931.17, 25,399.13 and 7,068.21 is: 10,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.17 : 25,399.13 = 7,068.21 : x
  2. Step 2: Convert to fraction form
    16,931.17/25,399.13 = 7,068.21/x
  3. Step 3: Cross multiply
    16,931.17x = 25,399.13 × 7,068.21
  4. Step 4: Simplify right side
    16,931.17x = 179,526,257.66
  5. Step 5: Solve for x
    x = 179,526,257.66/16,931.17
  6. Step 6: Final answer
    x = 10,603.30

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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.