Home / 14,170.10-19,557.72-11,356.16

Finding the Fourth Proportional to 14,170.10, 19,557.72 and 11,356.16

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Solution

The fourth proportional to 14,170.10, 19,557.72 and 11,356.16 is: 15,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.10 : 19,557.72 = 11,356.16 : x
  2. Step 2: Convert to fraction form
    14,170.10/19,557.72 = 11,356.16/x
  3. Step 3: Cross multiply
    14,170.10x = 19,557.72 × 11,356.16
  4. Step 4: Simplify right side
    14,170.10x = 222,100,499.77
  5. Step 5: Solve for x
    x = 222,100,499.77/14,170.10
  6. Step 6: Final answer
    x = 15,673.89

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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.