Home / 25,885.70-38,843.30-10,088.67

Finding the Fourth Proportional to 25,885.70, 38,843.30 and 10,088.67

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Solution

The fourth proportional to 25,885.70, 38,843.30 and 10,088.67 is: 15,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.70 : 38,843.30 = 10,088.67 : x
  2. Step 2: Convert to fraction form
    25,885.70/38,843.30 = 10,088.67/x
  3. Step 3: Cross multiply
    25,885.70x = 38,843.30 × 10,088.67
  4. Step 4: Simplify right side
    25,885.70x = 391,877,235.41
  5. Step 5: Solve for x
    x = 391,877,235.41/25,885.70
  6. Step 6: Final answer
    x = 15,138.75

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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.