Home / 13,895.83-19,174.56-11,070.40

Finding the Fourth Proportional to 13,895.83, 19,174.56 and 11,070.40

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Solution

The fourth proportional to 13,895.83, 19,174.56 and 11,070.40 is: 15,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.83 : 19,174.56 = 11,070.40 : x
  2. Step 2: Convert to fraction form
    13,895.83/19,174.56 = 11,070.40/x
  3. Step 3: Cross multiply
    13,895.83x = 19,174.56 × 11,070.40
  4. Step 4: Simplify right side
    13,895.83x = 212,270,049.02
  5. Step 5: Solve for x
    x = 212,270,049.02/13,895.83
  6. Step 6: Final answer
    x = 15,275.81

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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.