Home / 26,959.85-40,437.81-9,189.04

Finding the Fourth Proportional to 26,959.85, 40,437.81 and 9,189.04

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Solution

The fourth proportional to 26,959.85, 40,437.81 and 9,189.04 is: 13,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.85 : 40,437.81 = 9,189.04 : x
  2. Step 2: Convert to fraction form
    26,959.85/40,437.81 = 9,189.04/x
  3. Step 3: Cross multiply
    26,959.85x = 40,437.81 × 9,189.04
  4. Step 4: Simplify right side
    26,959.85x = 371,584,552.51
  5. Step 5: Solve for x
    x = 371,584,552.51/26,959.85
  6. Step 6: Final answer
    x = 13,782.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.