Home / 15,300.73-21,128.47-9,568.01

Finding the Fourth Proportional to 15,300.73, 21,128.47 and 9,568.01

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Solution

The fourth proportional to 15,300.73, 21,128.47 and 9,568.01 is: 13,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.73 : 21,128.47 = 9,568.01 : x
  2. Step 2: Convert to fraction form
    15,300.73/21,128.47 = 9,568.01/x
  3. Step 3: Cross multiply
    15,300.73x = 21,128.47 × 9,568.01
  4. Step 4: Simplify right side
    15,300.73x = 202,157,412.24
  5. Step 5: Solve for x
    x = 202,157,412.24/15,300.73
  6. Step 6: Final answer
    x = 13,212.27

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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.