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Finding the Fourth Proportional to 14,015.88, 21,036.94 and 7,095.24

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Solution

The fourth proportional to 14,015.88, 21,036.94 and 7,095.24 is: 10,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.88 : 21,036.94 = 7,095.24 : x
  2. Step 2: Convert to fraction form
    14,015.88/21,036.94 = 7,095.24/x
  3. Step 3: Cross multiply
    14,015.88x = 21,036.94 × 7,095.24
  4. Step 4: Simplify right side
    14,015.88x = 149,262,138.17
  5. Step 5: Solve for x
    x = 149,262,138.17/14,015.88
  6. Step 6: Final answer
    x = 10,649.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.