Home / 19,492.61-26,912.10-13,522.19

Finding the Fourth Proportional to 19,492.61, 26,912.10 and 13,522.19

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Solution

The fourth proportional to 19,492.61, 26,912.10 and 13,522.19 is: 18,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.61 : 26,912.10 = 13,522.19 : x
  2. Step 2: Convert to fraction form
    19,492.61/26,912.10 = 13,522.19/x
  3. Step 3: Cross multiply
    19,492.61x = 26,912.10 × 13,522.19
  4. Step 4: Simplify right side
    19,492.61x = 363,910,529.50
  5. Step 5: Solve for x
    x = 363,910,529.50/19,492.61
  6. Step 6: Final answer
    x = 18,669.15

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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.