Home / 25,815.95-38,673.83-15,116.45

Finding the Fourth Proportional to 25,815.95, 38,673.83 and 15,116.45

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Solution

The fourth proportional to 25,815.95, 38,673.83 and 15,116.45 is: 22,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.95 : 38,673.83 = 15,116.45 : x
  2. Step 2: Convert to fraction form
    25,815.95/38,673.83 = 15,116.45/x
  3. Step 3: Cross multiply
    25,815.95x = 38,673.83 × 15,116.45
  4. Step 4: Simplify right side
    25,815.95x = 584,610,941.92
  5. Step 5: Solve for x
    x = 584,610,941.92/25,815.95
  6. Step 6: Final answer
    x = 22,645.34

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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.