Home / 25,885.50-38,800.56-13,392.94

Finding the Fourth Proportional to 25,885.50, 38,800.56 and 13,392.94

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Solution

The fourth proportional to 25,885.50, 38,800.56 and 13,392.94 is: 20,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.50 : 38,800.56 = 13,392.94 : x
  2. Step 2: Convert to fraction form
    25,885.50/38,800.56 = 13,392.94/x
  3. Step 3: Cross multiply
    25,885.50x = 38,800.56 × 13,392.94
  4. Step 4: Simplify right side
    25,885.50x = 519,653,572.05
  5. Step 5: Solve for x
    x = 519,653,572.05/25,885.50
  6. Step 6: Final answer
    x = 20,075.08

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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.