Home / 25,850.10-35,676.51-15,776.46

Finding the Fourth Proportional to 25,850.10, 35,676.51 and 15,776.46

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Solution

The fourth proportional to 25,850.10, 35,676.51 and 15,776.46 is: 21,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.10 : 35,676.51 = 15,776.46 : x
  2. Step 2: Convert to fraction form
    25,850.10/35,676.51 = 15,776.46/x
  3. Step 3: Cross multiply
    25,850.10x = 35,676.51 × 15,776.46
  4. Step 4: Simplify right side
    25,850.10x = 562,849,032.95
  5. Step 5: Solve for x
    x = 562,849,032.95/25,850.10
  6. Step 6: Final answer
    x = 21,773.57

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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.