Home / 19,922.07-27,492.15-11,861.35

Finding the Fourth Proportional to 19,922.07, 27,492.15 and 11,861.35

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Solution

The fourth proportional to 19,922.07, 27,492.15 and 11,861.35 is: 16,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.07 : 27,492.15 = 11,861.35 : x
  2. Step 2: Convert to fraction form
    19,922.07/27,492.15 = 11,861.35/x
  3. Step 3: Cross multiply
    19,922.07x = 27,492.15 × 11,861.35
  4. Step 4: Simplify right side
    19,922.07x = 326,094,013.40
  5. Step 5: Solve for x
    x = 326,094,013.40/19,922.07
  6. Step 6: Final answer
    x = 16,368.48

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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.