Home / 15,746.24-21,729.75-8,576.04

Finding the Fourth Proportional to 15,746.24, 21,729.75 and 8,576.04

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Solution

The fourth proportional to 15,746.24, 21,729.75 and 8,576.04 is: 11,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.24 : 21,729.75 = 8,576.04 : x
  2. Step 2: Convert to fraction form
    15,746.24/21,729.75 = 8,576.04/x
  3. Step 3: Cross multiply
    15,746.24x = 21,729.75 × 8,576.04
  4. Step 4: Simplify right side
    15,746.24x = 186,355,205.19
  5. Step 5: Solve for x
    x = 186,355,205.19/15,746.24
  6. Step 6: Final answer
    x = 11,834.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.