Home / 19,145.85-26,434.17-17,122.98

Finding the Fourth Proportional to 19,145.85, 26,434.17 and 17,122.98

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Solution

The fourth proportional to 19,145.85, 26,434.17 and 17,122.98 is: 23,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.85 : 26,434.17 = 17,122.98 : x
  2. Step 2: Convert to fraction form
    19,145.85/26,434.17 = 17,122.98/x
  3. Step 3: Cross multiply
    19,145.85x = 26,434.17 × 17,122.98
  4. Step 4: Simplify right side
    19,145.85x = 452,631,764.23
  5. Step 5: Solve for x
    x = 452,631,764.23/19,145.85
  6. Step 6: Final answer
    x = 23,641.25

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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.