Home / 13,079.93-19,618.23-4,312.67

Finding the Fourth Proportional to 13,079.93, 19,618.23 and 4,312.67

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Solution

The fourth proportional to 13,079.93, 19,618.23 and 4,312.67 is: 6,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.93 : 19,618.23 = 4,312.67 : x
  2. Step 2: Convert to fraction form
    13,079.93/19,618.23 = 4,312.67/x
  3. Step 3: Cross multiply
    13,079.93x = 19,618.23 × 4,312.67
  4. Step 4: Simplify right side
    13,079.93x = 84,606,951.97
  5. Step 5: Solve for x
    x = 84,606,951.97/13,079.93
  6. Step 6: Final answer
    x = 6,468.46

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Similar ratio
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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.