Home / 13,859.48-19,130.64-11,032.04

Finding the Fourth Proportional to 13,859.48, 19,130.64 and 11,032.04

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Solution

The fourth proportional to 13,859.48, 19,130.64 and 11,032.04 is: 15,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.48 : 19,130.64 = 11,032.04 : x
  2. Step 2: Convert to fraction form
    13,859.48/19,130.64 = 11,032.04/x
  3. Step 3: Cross multiply
    13,859.48x = 19,130.64 × 11,032.04
  4. Step 4: Simplify right side
    13,859.48x = 211,049,985.71
  5. Step 5: Solve for x
    x = 211,049,985.71/13,859.48
  6. Step 6: Final answer
    x = 15,227.84

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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.