Home / 25,639.28-35,376.91-14,735.30

Finding the Fourth Proportional to 25,639.28, 35,376.91 and 14,735.30

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Solution

The fourth proportional to 25,639.28, 35,376.91 and 14,735.30 is: 20,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.28 : 35,376.91 = 14,735.30 : x
  2. Step 2: Convert to fraction form
    25,639.28/35,376.91 = 14,735.30/x
  3. Step 3: Cross multiply
    25,639.28x = 35,376.91 × 14,735.30
  4. Step 4: Simplify right side
    25,639.28x = 521,289,381.92
  5. Step 5: Solve for x
    x = 521,289,381.92/25,639.28
  6. Step 6: Final answer
    x = 20,331.67

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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.