Home / 15,428.84-23,143.26-4,335.08

Finding the Fourth Proportional to 15,428.84, 23,143.26 and 4,335.08

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Solution

The fourth proportional to 15,428.84, 23,143.26 and 4,335.08 is: 6,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.84 : 23,143.26 = 4,335.08 : x
  2. Step 2: Convert to fraction form
    15,428.84/23,143.26 = 4,335.08/x
  3. Step 3: Cross multiply
    15,428.84x = 23,143.26 × 4,335.08
  4. Step 4: Simplify right side
    15,428.84x = 100,327,883.56
  5. Step 5: Solve for x
    x = 100,327,883.56/15,428.84
  6. Step 6: Final answer
    x = 6,502.62

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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.