Home / 19,070.70-26,318.25-11,111.64

Finding the Fourth Proportional to 19,070.70, 26,318.25 and 11,111.64

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Solution

The fourth proportional to 19,070.70, 26,318.25 and 11,111.64 is: 15,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.70 : 26,318.25 = 11,111.64 : x
  2. Step 2: Convert to fraction form
    19,070.70/26,318.25 = 11,111.64/x
  3. Step 3: Cross multiply
    19,070.70x = 26,318.25 × 11,111.64
  4. Step 4: Simplify right side
    19,070.70x = 292,438,919.43
  5. Step 5: Solve for x
    x = 292,438,919.43/19,070.70
  6. Step 6: Final answer
    x = 15,334.46

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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.