Home / 25,004.94-34,505.55-13,824.78

Finding the Fourth Proportional to 25,004.94, 34,505.55 and 13,824.78

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Solution

The fourth proportional to 25,004.94, 34,505.55 and 13,824.78 is: 19,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,004.94 : 34,505.55 = 13,824.78 : x
  2. Step 2: Convert to fraction form
    25,004.94/34,505.55 = 13,824.78/x
  3. Step 3: Cross multiply
    25,004.94x = 34,505.55 × 13,824.78
  4. Step 4: Simplify right side
    25,004.94x = 477,031,637.53
  5. Step 5: Solve for x
    x = 477,031,637.53/25,004.94
  6. Step 6: Final answer
    x = 19,077.50

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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.