Home / 14,347.25-21,521.69-5,113.25

Finding the Fourth Proportional to 14,347.25, 21,521.69 and 5,113.25

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Solution

The fourth proportional to 14,347.25, 21,521.69 and 5,113.25 is: 7,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.25 : 21,521.69 = 5,113.25 : x
  2. Step 2: Convert to fraction form
    14,347.25/21,521.69 = 5,113.25/x
  3. Step 3: Cross multiply
    14,347.25x = 21,521.69 × 5,113.25
  4. Step 4: Simplify right side
    14,347.25x = 110,045,781.39
  5. Step 5: Solve for x
    x = 110,045,781.39/14,347.25
  6. Step 6: Final answer
    x = 7,670.17

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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.