Home / 18,444.96-25,423.70-13,069.20

Finding the Fourth Proportional to 18,444.96, 25,423.70 and 13,069.20

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Solution

The fourth proportional to 18,444.96, 25,423.70 and 13,069.20 is: 18,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.96 : 25,423.70 = 13,069.20 : x
  2. Step 2: Convert to fraction form
    18,444.96/25,423.70 = 13,069.20/x
  3. Step 3: Cross multiply
    18,444.96x = 25,423.70 × 13,069.20
  4. Step 4: Simplify right side
    18,444.96x = 332,267,354.69
  5. Step 5: Solve for x
    x = 332,267,354.69/18,444.96
  6. Step 6: Final answer
    x = 18,013.99

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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.