Home / 14,160.16-19,539.40-11,326.51

Finding the Fourth Proportional to 14,160.16, 19,539.40 and 11,326.51

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Solution

The fourth proportional to 14,160.16, 19,539.40 and 11,326.51 is: 15,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.16 : 19,539.40 = 11,326.51 : x
  2. Step 2: Convert to fraction form
    14,160.16/19,539.40 = 11,326.51/x
  3. Step 3: Cross multiply
    14,160.16x = 19,539.40 × 11,326.51
  4. Step 4: Simplify right side
    14,160.16x = 221,313,132.33
  5. Step 5: Solve for x
    x = 221,313,132.33/14,160.16
  6. Step 6: Final answer
    x = 15,629.28

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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.