Home / 17,428.09-26,137.27-12,483.04

Finding the Fourth Proportional to 17,428.09, 26,137.27 and 12,483.04

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Solution

The fourth proportional to 17,428.09, 26,137.27 and 12,483.04 is: 18,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.09 : 26,137.27 = 12,483.04 : x
  2. Step 2: Convert to fraction form
    17,428.09/26,137.27 = 12,483.04/x
  3. Step 3: Cross multiply
    17,428.09x = 26,137.27 × 12,483.04
  4. Step 4: Simplify right side
    17,428.09x = 326,272,586.90
  5. Step 5: Solve for x
    x = 326,272,586.90/17,428.09
  6. Step 6: Final answer
    x = 18,721.08

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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.