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Finding the Fourth Proportional to 25,477.94, 35,159.10 and 14,147.48

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Solution

The fourth proportional to 25,477.94, 35,159.10 and 14,147.48 is: 19,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.94 : 35,159.10 = 14,147.48 : x
  2. Step 2: Convert to fraction form
    25,477.94/35,159.10 = 14,147.48/x
  3. Step 3: Cross multiply
    25,477.94x = 35,159.10 × 14,147.48
  4. Step 4: Simplify right side
    25,477.94x = 497,412,664.07
  5. Step 5: Solve for x
    x = 497,412,664.07/25,477.94
  6. Step 6: Final answer
    x = 19,523.27

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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.