Home / 17,309.81-23,873.93-12,530.45

Finding the Fourth Proportional to 17,309.81, 23,873.93 and 12,530.45

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Solution

The fourth proportional to 17,309.81, 23,873.93 and 12,530.45 is: 17,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.81 : 23,873.93 = 12,530.45 : x
  2. Step 2: Convert to fraction form
    17,309.81/23,873.93 = 12,530.45/x
  3. Step 3: Cross multiply
    17,309.81x = 23,873.93 × 12,530.45
  4. Step 4: Simplify right side
    17,309.81x = 299,151,086.17
  5. Step 5: Solve for x
    x = 299,151,086.17/17,309.81
  6. Step 6: Final answer
    x = 17,282.17

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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.