Home / 13,801.79-20,703.03-5,036.71

Finding the Fourth Proportional to 13,801.79, 20,703.03 and 5,036.71

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Solution

The fourth proportional to 13,801.79, 20,703.03 and 5,036.71 is: 7,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.79 : 20,703.03 = 5,036.71 : x
  2. Step 2: Convert to fraction form
    13,801.79/20,703.03 = 5,036.71/x
  3. Step 3: Cross multiply
    13,801.79x = 20,703.03 × 5,036.71
  4. Step 4: Simplify right side
    13,801.79x = 104,275,029.53
  5. Step 5: Solve for x
    x = 104,275,029.53/13,801.79
  6. Step 6: Final answer
    x = 7,555.18

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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.