Home / 14,113.36-21,151.44-7,876.32

Finding the Fourth Proportional to 14,113.36, 21,151.44 and 7,876.32

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Solution

The fourth proportional to 14,113.36, 21,151.44 and 7,876.32 is: 11,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.36 : 21,151.44 = 7,876.32 : x
  2. Step 2: Convert to fraction form
    14,113.36/21,151.44 = 7,876.32/x
  3. Step 3: Cross multiply
    14,113.36x = 21,151.44 × 7,876.32
  4. Step 4: Simplify right side
    14,113.36x = 166,595,509.90
  5. Step 5: Solve for x
    x = 166,595,509.90/14,113.36
  6. Step 6: Final answer
    x = 11,804.10

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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.