Home / 14,088.16-21,130.62-5,323.96

Finding the Fourth Proportional to 14,088.16, 21,130.62 and 5,323.96

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Solution

The fourth proportional to 14,088.16, 21,130.62 and 5,323.96 is: 7,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.16 : 21,130.62 = 5,323.96 : x
  2. Step 2: Convert to fraction form
    14,088.16/21,130.62 = 5,323.96/x
  3. Step 3: Cross multiply
    14,088.16x = 21,130.62 × 5,323.96
  4. Step 4: Simplify right side
    14,088.16x = 112,498,575.66
  5. Step 5: Solve for x
    x = 112,498,575.66/14,088.16
  6. Step 6: Final answer
    x = 7,985.33

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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.