Home / 15,858.04-23,785.16-4,172.17

Finding the Fourth Proportional to 15,858.04, 23,785.16 and 4,172.17

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Solution

The fourth proportional to 15,858.04, 23,785.16 and 4,172.17 is: 6,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.04 : 23,785.16 = 4,172.17 : x
  2. Step 2: Convert to fraction form
    15,858.04/23,785.16 = 4,172.17/x
  3. Step 3: Cross multiply
    15,858.04x = 23,785.16 × 4,172.17
  4. Step 4: Simplify right side
    15,858.04x = 99,235,731.00
  5. Step 5: Solve for x
    x = 99,235,731.00/15,858.04
  6. Step 6: Final answer
    x = 6,257.76

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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.