Home / 25,043.36-34,560.23-13,712.67

Finding the Fourth Proportional to 25,043.36, 34,560.23 and 13,712.67

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Solution

The fourth proportional to 25,043.36, 34,560.23 and 13,712.67 is: 18,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.36 : 34,560.23 = 13,712.67 : x
  2. Step 2: Convert to fraction form
    25,043.36/34,560.23 = 13,712.67/x
  3. Step 3: Cross multiply
    25,043.36x = 34,560.23 × 13,712.67
  4. Step 4: Simplify right side
    25,043.36x = 473,912,960.55
  5. Step 5: Solve for x
    x = 473,912,960.55/25,043.36
  6. Step 6: Final answer
    x = 18,923.70

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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.