Home / 25,365.28-35,005.34-15,296.98

Finding the Fourth Proportional to 25,365.28, 35,005.34 and 15,296.98

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Solution

The fourth proportional to 25,365.28, 35,005.34 and 15,296.98 is: 21,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.28 : 35,005.34 = 15,296.98 : x
  2. Step 2: Convert to fraction form
    25,365.28/35,005.34 = 15,296.98/x
  3. Step 3: Cross multiply
    25,365.28x = 35,005.34 × 15,296.98
  4. Step 4: Simplify right side
    25,365.28x = 535,475,985.87
  5. Step 5: Solve for x
    x = 535,475,985.87/25,365.28
  6. Step 6: Final answer
    x = 21,110.59

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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.