Home / 13,746.65-20,585.07-11,519.63

Finding the Fourth Proportional to 13,746.65, 20,585.07 and 11,519.63

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Solution

The fourth proportional to 13,746.65, 20,585.07 and 11,519.63 is: 17,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.65 : 20,585.07 = 11,519.63 : x
  2. Step 2: Convert to fraction form
    13,746.65/20,585.07 = 11,519.63/x
  3. Step 3: Cross multiply
    13,746.65x = 20,585.07 × 11,519.63
  4. Step 4: Simplify right side
    13,746.65x = 237,132,287.00
  5. Step 5: Solve for x
    x = 237,132,287.00/13,746.65
  6. Step 6: Final answer
    x = 17,250.19

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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.