Home / 26,159.13-36,107.51-17,780.49

Finding the Fourth Proportional to 26,159.13, 36,107.51 and 17,780.49

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Solution

The fourth proportional to 26,159.13, 36,107.51 and 17,780.49 is: 24,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.13 : 36,107.51 = 17,780.49 : x
  2. Step 2: Convert to fraction form
    26,159.13/36,107.51 = 17,780.49/x
  3. Step 3: Cross multiply
    26,159.13x = 36,107.51 × 17,780.49
  4. Step 4: Simplify right side
    26,159.13x = 642,009,131.58
  5. Step 5: Solve for x
    x = 642,009,131.58/26,159.13
  6. Step 6: Final answer
    x = 24,542.45

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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.