Home / 25,771.29-38,629.95-10,787.00

Finding the Fourth Proportional to 25,771.29, 38,629.95 and 10,787.00

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Solution

The fourth proportional to 25,771.29, 38,629.95 and 10,787.00 is: 16,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.29 : 38,629.95 = 10,787.00 : x
  2. Step 2: Convert to fraction form
    25,771.29/38,629.95 = 10,787.00/x
  3. Step 3: Cross multiply
    25,771.29x = 38,629.95 × 10,787.00
  4. Step 4: Simplify right side
    25,771.29x = 416,701,077.50
  5. Step 5: Solve for x
    x = 416,701,077.50/25,771.29
  6. Step 6: Final answer
    x = 16,169.20

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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.