Home / 27,605.07-38,108.65-19,113.70

Finding the Fourth Proportional to 27,605.07, 38,108.65 and 19,113.70

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Solution

The fourth proportional to 27,605.07, 38,108.65 and 19,113.70 is: 26,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.07 : 38,108.65 = 19,113.70 : x
  2. Step 2: Convert to fraction form
    27,605.07/38,108.65 = 19,113.70/x
  3. Step 3: Cross multiply
    27,605.07x = 38,108.65 × 19,113.70
  4. Step 4: Simplify right side
    27,605.07x = 728,397,093.36
  5. Step 5: Solve for x
    x = 728,397,093.36/27,605.07
  6. Step 6: Final answer
    x = 26,386.36

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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.