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Finding the Fourth Proportional to 25,509.77, 35,201.93 and 14,178.89

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Solution

The fourth proportional to 25,509.77, 35,201.93 and 14,178.89 is: 19,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.77 : 35,201.93 = 14,178.89 : x
  2. Step 2: Convert to fraction form
    25,509.77/35,201.93 = 14,178.89/x
  3. Step 3: Cross multiply
    25,509.77x = 35,201.93 × 14,178.89
  4. Step 4: Simplify right side
    25,509.77x = 499,124,293.26
  5. Step 5: Solve for x
    x = 499,124,293.26/25,509.77
  6. Step 6: Final answer
    x = 19,566.01

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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.