Home / 14,358.51-21,581.69-11,909.07

Finding the Fourth Proportional to 14,358.51, 21,581.69 and 11,909.07

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Solution

The fourth proportional to 14,358.51, 21,581.69 and 11,909.07 is: 17,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.51 : 21,581.69 = 11,909.07 : x
  2. Step 2: Convert to fraction form
    14,358.51/21,581.69 = 11,909.07/x
  3. Step 3: Cross multiply
    14,358.51x = 21,581.69 × 11,909.07
  4. Step 4: Simplify right side
    14,358.51x = 257,017,797.38
  5. Step 5: Solve for x
    x = 257,017,797.38/14,358.51
  6. Step 6: Final answer
    x = 17,900.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.