Home / 13,934.64-19,224.36-12,166.32

Finding the Fourth Proportional to 13,934.64, 19,224.36 and 12,166.32

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Solution

The fourth proportional to 13,934.64, 19,224.36 and 12,166.32 is: 16,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.64 : 19,224.36 = 12,166.32 : x
  2. Step 2: Convert to fraction form
    13,934.64/19,224.36 = 12,166.32/x
  3. Step 3: Cross multiply
    13,934.64x = 19,224.36 × 12,166.32
  4. Step 4: Simplify right side
    13,934.64x = 233,889,715.56
  5. Step 5: Solve for x
    x = 233,889,715.56/13,934.64
  6. Step 6: Final answer
    x = 16,784.77

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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.