Home / 27,411.15-37,809.55-19,356.51

Finding the Fourth Proportional to 27,411.15, 37,809.55 and 19,356.51

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Solution

The fourth proportional to 27,411.15, 37,809.55 and 19,356.51 is: 26,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.15 : 37,809.55 = 19,356.51 : x
  2. Step 2: Convert to fraction form
    27,411.15/37,809.55 = 19,356.51/x
  3. Step 3: Cross multiply
    27,411.15x = 37,809.55 × 19,356.51
  4. Step 4: Simplify right side
    27,411.15x = 731,860,932.67
  5. Step 5: Solve for x
    x = 731,860,932.67/27,411.15
  6. Step 6: Final answer
    x = 26,699.39

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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.