Home / 19,001.32-26,221.78-10,617.82

Finding the Fourth Proportional to 19,001.32, 26,221.78 and 10,617.82

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Solution

The fourth proportional to 19,001.32, 26,221.78 and 10,617.82 is: 14,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.32 : 26,221.78 = 10,617.82 : x
  2. Step 2: Convert to fraction form
    19,001.32/26,221.78 = 10,617.82/x
  3. Step 3: Cross multiply
    19,001.32x = 26,221.78 × 10,617.82
  4. Step 4: Simplify right side
    19,001.32x = 278,418,140.12
  5. Step 5: Solve for x
    x = 278,418,140.12/19,001.32
  6. Step 6: Final answer
    x = 14,652.57

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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.