Home / 25,257.79-37,897.61-13,557.34

Finding the Fourth Proportional to 25,257.79, 37,897.61 and 13,557.34

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Solution

The fourth proportional to 25,257.79, 37,897.61 and 13,557.34 is: 20,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.79 : 37,897.61 = 13,557.34 : x
  2. Step 2: Convert to fraction form
    25,257.79/37,897.61 = 13,557.34/x
  3. Step 3: Cross multiply
    25,257.79x = 37,897.61 × 13,557.34
  4. Step 4: Simplify right side
    25,257.79x = 513,790,783.96
  5. Step 5: Solve for x
    x = 513,790,783.96/25,257.79
  6. Step 6: Final answer
    x = 20,341.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.