Home / 15,710.36-21,657.86-11,232.50

Finding the Fourth Proportional to 15,710.36, 21,657.86 and 11,232.50

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Solution

The fourth proportional to 15,710.36, 21,657.86 and 11,232.50 is: 15,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710.36 : 21,657.86 = 11,232.50 : x
  2. Step 2: Convert to fraction form
    15,710.36/21,657.86 = 11,232.50/x
  3. Step 3: Cross multiply
    15,710.36x = 21,657.86 × 11,232.50
  4. Step 4: Simplify right side
    15,710.36x = 243,271,912.45
  5. Step 5: Solve for x
    x = 243,271,912.45/15,710.36
  6. Step 6: Final answer
    x = 15,484.81

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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.