Home / 41,011.36-61,528.20-13,309.36

Finding the Fourth Proportional to 41,011.36, 61,528.20 and 13,309.36

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Solution

The fourth proportional to 41,011.36, 61,528.20 and 13,309.36 is: 19,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,011.36 : 61,528.20 = 13,309.36 : x
  2. Step 2: Convert to fraction form
    41,011.36/61,528.20 = 13,309.36/x
  3. Step 3: Cross multiply
    41,011.36x = 61,528.20 × 13,309.36
  4. Step 4: Simplify right side
    41,011.36x = 818,900,963.95
  5. Step 5: Solve for x
    x = 818,900,963.95/41,011.36
  6. Step 6: Final answer
    x = 19,967.66

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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.