Home / 19,772.16-29,775.24-17,206.08

Finding the Fourth Proportional to 19,772.16, 29,775.24 and 17,206.08

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Solution

The fourth proportional to 19,772.16, 29,775.24 and 17,206.08 is: 25,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.16 : 29,775.24 = 17,206.08 : x
  2. Step 2: Convert to fraction form
    19,772.16/29,775.24 = 17,206.08/x
  3. Step 3: Cross multiply
    19,772.16x = 29,775.24 × 17,206.08
  4. Step 4: Simplify right side
    19,772.16x = 512,315,161.46
  5. Step 5: Solve for x
    x = 512,315,161.46/19,772.16
  6. Step 6: Final answer
    x = 25,910.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.