Home / 17,432-26,152.44-5,120

Finding the Fourth Proportional to 17,432, 26,152.44 and 5,120

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Solution

The fourth proportional to 17,432, 26,152.44 and 5,120 is: 7,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,432 : 26,152.44 = 5,120 : x
  2. Step 2: Convert to fraction form
    17,432/26,152.44 = 5,120/x
  3. Step 3: Cross multiply
    17,432x = 26,152.44 × 5,120
  4. Step 4: Simplify right side
    17,432x = 133,900,492.80
  5. Step 5: Solve for x
    x = 133,900,492.80/17,432
  6. Step 6: Final answer
    x = 7,681.30

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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.