Home / 19,146.06-26,434.62-15,617.70

Finding the Fourth Proportional to 19,146.06, 26,434.62 and 15,617.70

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Solution

The fourth proportional to 19,146.06, 26,434.62 and 15,617.70 is: 21,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.06 : 26,434.62 = 15,617.70 : x
  2. Step 2: Convert to fraction form
    19,146.06/26,434.62 = 15,617.70/x
  3. Step 3: Cross multiply
    19,146.06x = 26,434.62 × 15,617.70
  4. Step 4: Simplify right side
    19,146.06x = 412,847,964.77
  5. Step 5: Solve for x
    x = 412,847,964.77/19,146.06
  6. Step 6: Final answer
    x = 21,563.08

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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.