Home / 15,449.24-23,118.50-13,376.40

Finding the Fourth Proportional to 15,449.24, 23,118.50 and 13,376.40

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Solution

The fourth proportional to 15,449.24, 23,118.50 and 13,376.40 is: 20,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.24 : 23,118.50 = 13,376.40 : x
  2. Step 2: Convert to fraction form
    15,449.24/23,118.50 = 13,376.40/x
  3. Step 3: Cross multiply
    15,449.24x = 23,118.50 × 13,376.40
  4. Step 4: Simplify right side
    15,449.24x = 309,242,236.52
  5. Step 5: Solve for x
    x = 309,242,236.52/15,449.24
  6. Step 6: Final answer
    x = 20,016.67

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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.