Home / 25,623.66-35,360.82-15,013.38

Finding the Fourth Proportional to 25,623.66, 35,360.82 and 15,013.38

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Solution

The fourth proportional to 25,623.66, 35,360.82 and 15,013.38 is: 20,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.66 : 35,360.82 = 15,013.38 : x
  2. Step 2: Convert to fraction form
    25,623.66/35,360.82 = 15,013.38/x
  3. Step 3: Cross multiply
    25,623.66x = 35,360.82 × 15,013.38
  4. Step 4: Simplify right side
    25,623.66x = 530,885,427.77
  5. Step 5: Solve for x
    x = 530,885,427.77/25,623.66
  6. Step 6: Final answer
    x = 20,718.56

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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.