Home / 25,222.90-34,776.77-15,775.06

Finding the Fourth Proportional to 25,222.90, 34,776.77 and 15,775.06

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Solution

The fourth proportional to 25,222.90, 34,776.77 and 15,775.06 is: 21,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.90 : 34,776.77 = 15,775.06 : x
  2. Step 2: Convert to fraction form
    25,222.90/34,776.77 = 15,775.06/x
  3. Step 3: Cross multiply
    25,222.90x = 34,776.77 × 15,775.06
  4. Step 4: Simplify right side
    25,222.90x = 548,605,633.36
  5. Step 5: Solve for x
    x = 548,605,633.36/25,222.90
  6. Step 6: Final answer
    x = 21,750.30

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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.