Home / 13,017.43-19,526.14-3,156.71

Finding the Fourth Proportional to 13,017.43, 19,526.14 and 3,156.71

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Solution

The fourth proportional to 13,017.43, 19,526.14 and 3,156.71 is: 4,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.43 : 19,526.14 = 3,156.71 : x
  2. Step 2: Convert to fraction form
    13,017.43/19,526.14 = 3,156.71/x
  3. Step 3: Cross multiply
    13,017.43x = 19,526.14 × 3,156.71
  4. Step 4: Simplify right side
    13,017.43x = 61,638,255.88
  5. Step 5: Solve for x
    x = 61,638,255.88/13,017.43
  6. Step 6: Final answer
    x = 4,735.06

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Double scale
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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.