Home / 14,270.66-21,402.74-5,386.93

Finding the Fourth Proportional to 14,270.66, 21,402.74 and 5,386.93

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Solution

The fourth proportional to 14,270.66, 21,402.74 and 5,386.93 is: 8,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.66 : 21,402.74 = 5,386.93 : x
  2. Step 2: Convert to fraction form
    14,270.66/21,402.74 = 5,386.93/x
  3. Step 3: Cross multiply
    14,270.66x = 21,402.74 × 5,386.93
  4. Step 4: Simplify right side
    14,270.66x = 115,295,062.19
  5. Step 5: Solve for x
    x = 115,295,062.19/14,270.66
  6. Step 6: Final answer
    x = 8,079.17

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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.