Home / 25,039.30-34,554.24-13,709.51

Finding the Fourth Proportional to 25,039.30, 34,554.24 and 13,709.51

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Solution

The fourth proportional to 25,039.30, 34,554.24 and 13,709.51 is: 18,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,039.30 : 34,554.24 = 13,709.51 : x
  2. Step 2: Convert to fraction form
    25,039.30/34,554.24 = 13,709.51/x
  3. Step 3: Cross multiply
    25,039.30x = 34,554.24 × 13,709.51
  4. Step 4: Simplify right side
    25,039.30x = 473,721,630.27
  5. Step 5: Solve for x
    x = 473,721,630.27/25,039.30
  6. Step 6: Final answer
    x = 18,919.13

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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.