Home / 15,796.81-21,804.56-10,132.48

Finding the Fourth Proportional to 15,796.81, 21,804.56 and 10,132.48

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Solution

The fourth proportional to 15,796.81, 21,804.56 and 10,132.48 is: 13,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.81 : 21,804.56 = 10,132.48 : x
  2. Step 2: Convert to fraction form
    15,796.81/21,804.56 = 10,132.48/x
  3. Step 3: Cross multiply
    15,796.81x = 21,804.56 × 10,132.48
  4. Step 4: Simplify right side
    15,796.81x = 220,934,268.11
  5. Step 5: Solve for x
    x = 220,934,268.11/15,796.81
  6. Step 6: Final answer
    x = 13,986.01

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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.