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Finding the Fourth Proportional to 19,242.63, 26,554.95 and 11,285.01

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Solution

The fourth proportional to 19,242.63, 26,554.95 and 11,285.01 is: 15,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.63 : 26,554.95 = 11,285.01 : x
  2. Step 2: Convert to fraction form
    19,242.63/26,554.95 = 11,285.01/x
  3. Step 3: Cross multiply
    19,242.63x = 26,554.95 × 11,285.01
  4. Step 4: Simplify right side
    19,242.63x = 299,672,876.30
  5. Step 5: Solve for x
    x = 299,672,876.30/19,242.63
  6. Step 6: Final answer
    x = 15,573.38

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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.