Home / 25,115.04-34,652.94-15,039.66

Finding the Fourth Proportional to 25,115.04, 34,652.94 and 15,039.66

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Solution

The fourth proportional to 25,115.04, 34,652.94 and 15,039.66 is: 20,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.04 : 34,652.94 = 15,039.66 : x
  2. Step 2: Convert to fraction form
    25,115.04/34,652.94 = 15,039.66/x
  3. Step 3: Cross multiply
    25,115.04x = 34,652.94 × 15,039.66
  4. Step 4: Simplify right side
    25,115.04x = 521,168,435.60
  5. Step 5: Solve for x
    x = 521,168,435.60/25,115.04
  6. Step 6: Final answer
    x = 20,751.25

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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.