Home / 19,522.08-26,934.12-12,450.78

Finding the Fourth Proportional to 19,522.08, 26,934.12 and 12,450.78

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Solution

The fourth proportional to 19,522.08, 26,934.12 and 12,450.78 is: 17,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.08 : 26,934.12 = 12,450.78 : x
  2. Step 2: Convert to fraction form
    19,522.08/26,934.12 = 12,450.78/x
  3. Step 3: Cross multiply
    19,522.08x = 26,934.12 × 12,450.78
  4. Step 4: Simplify right side
    19,522.08x = 335,350,802.61
  5. Step 5: Solve for x
    x = 335,350,802.61/19,522.08
  6. Step 6: Final answer
    x = 17,178.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.