Home / 14,153.06-19,551.21-11,339.12

Finding the Fourth Proportional to 14,153.06, 19,551.21 and 11,339.12

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Solution

The fourth proportional to 14,153.06, 19,551.21 and 11,339.12 is: 15,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.06 : 19,551.21 = 11,339.12 : x
  2. Step 2: Convert to fraction form
    14,153.06/19,551.21 = 11,339.12/x
  3. Step 3: Cross multiply
    14,153.06x = 19,551.21 × 11,339.12
  4. Step 4: Simplify right side
    14,153.06x = 221,693,516.34
  5. Step 5: Solve for x
    x = 221,693,516.34/14,153.06
  6. Step 6: Final answer
    x = 15,664.00

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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.